Archives October 2025

n-Heptane Overview

n-Heptane (CAS No. 142-82-5, EC No. 205-563-8) is a straight-chain hydrocarbon (C₇H₁₆) recognized throughout the European regulatory framework as a key industrial solvent. It is classified under the CLP Regulation Annex VI and officially registered in ECHA’s Registered Substances Database, confirming its full REACH compliance for import and use across the European Economic Area (EEA) at volumes exceeding 1,000 tonnes per year.

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Substance Names and Other Identifiers

Main substance name:

• n-Heptane

Other common names and synonyms:

• Heptane
• Heptan
• Heptanen
• Dipropylmethane
• Dipropyl methane
• Heptyl hydride
• Normal heptane
• Heptane (all isomers)
• Heptane [99.0% for HPLC Solvent]
• Heptane [and isomers]
• n-Heptano
• Gettysolve-C
• Skellysolve C
• Eptani
• Hydrocarbon solvents

Regulatory process names:

• Heptane
• Heptane; n-Heptane
• n-Heptane
• heptane/n-heptane

Translated names (examples):

• Heptan, n-Heptan (German)
• Heptan, N-heptan (Romanian)

Trade names:

• Heptane
• n-Heptane

Identifiers:

• CAS number: 142-82-5
• EC number: 205-563-8
• Index number: 601-008-00-2
• Other CAS numbers (legacy or related): 44607-13-8, 8031-33-2

IUPAC names:

• Dipropylmethane
• n-Heptane

Regulatory and Directive references:
n-Heptane is listed under multiple EU regulations and directives, including:

General Product Safety Regulation – Hazardous Substances

REACH Registration Dossier

EC Inventory

C&L Inventory

Pre-registration process

Aerosols Directive – Flammable Contents

Chemical Agents Directive (CAD) – Hazardous Agents

Ambient Air Quality Directive, Annex X – Ozone Precursor Substances

Occupational Exposure Limits (OELVs) – Indicative List

Construction Products Regulation – Hazardous Substances (Annex I & Art. 6)

EU Ecolabel Regulation – Hazardous Substance Restrictions

Medical Devices Directives and Regulations – Hazardous Substances

Pressure Equipment Directive – Group 1 Fluids

Waste Framework Directive – Annex III Hazardous Properties

Fertiliser Regulation, Annex I, E.3 – Chelating/Complexing Agents

Due to its extensive industrial and scientific use, n-Heptane is known under a wide range of regulatory, IUPAC, and trade names across different European legislations and databases.

Regulatory Process Names:
Dipropyl Methane, Eptani, Gettysolve-C, Heptan, Heptane, Heptanen, Heptyl Hydride, n-Heptane, Skellysolve C

Translated Names (EU languages):

• Heptan / n-Heptan (DE) – German
• Heptan / N-heptan (RO) – Romanian

IUPAC and Technical Names:
Dipropylmethane, n-Heptane, Heptane (all isomers), Heptane [99.0% for HPLC Solvent], Normal Heptane, Hydrocarbon Solvent

Trade Names:
Heptane, n-Heptane, Gettysolve-C, Skellysolve C

Identifiers:

• CAS Number: 142-82-5 (Main)
• EC Number: 205-563-8
• Index Number (CLP): 601-008-00-2
• Other CAS Numbers: 44607-13-8, 8031-33-2
• Molecular Formula: C₇H₁₆

These identifiers appear consistently across EINECS, C&L Inventory, REACH Pre-registration, and multiple EU regulatory annexes, ensuring full traceability and transparency in supply.

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Regulatory Framework and Compliance

n-Heptane is explicitly listed under numerous European chemical and environmental legislations, highlighting its regulated yet accepted status in industrial and laboratory operations:

• REACH Regulation – Registered substance (≥1000 tpa)
• CLP Regulation Annex VI – Harmonized classification & labeling
• Seveso III Directive Annex I – Industrial accident prevention
• Waste Framework Directive Annex III – Hazardous properties
• Occupational Exposure Limits (OELs) – Indicative EU OELVs
• Construction Products Regulation (Annex I & Art.6(5))
• EU Ecolabels & Environmental Policy Framework Directive
• Medical Devices Regulation / Directive (Hazardous Substances)
• General Product Safety Regulation & Workplace Safety Directive

This extensive inclusion across directives confirms that n-Heptane is both recognized and regulated for controlled industrial use, making it an ideal choice for European manufacturers seeking long-term compliant sourcing.

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Applications Across European Industries

n-Heptane’s versatility has established it as a critical raw material and process solvent in:

• Pharmaceutical manufacturing – extraction, crystallization, and purification
• Laboratories – high-purity analytical use (HPLC, GC)
• Coatings and adhesives – solvent and viscosity control
• Automotive and fuel industry – reference standard for octane rating
• Cleaning and degreasing agents – controlled volatility applications

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Safety and Environmental Management

Classified as a highly flammable liquid (H225), skin irritant (H315), and toxic to aquatic life (H410), n-Heptane must be handled with professional containment, proper labeling, and full compliance to the GHS/CLP system.
Manufacturers provide complete Safety Data Sheets (SDS) and Guidance on Safe Use, aligned with the Chemical Agents Directive (CAD) and Pressure Equipment Directive.

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Why Choose Our n-Heptane

Fully REACH-registered and CLP compliant
High-purity grades (up to 99%) for pharmaceutical and analytical use
Stable European supply in ISO tanks or drums
Complete documentation package (SDS, COA, technical data)
Proven compliance with EU industrial, medical, and environmental standards

Our n-Heptane product line delivers consistency, safety, and full regulatory transparency for European customers in pharmaceuticals, R&D, and specialty chemicals manufacturing.

For technical details, safety classifications, and compliance information, professionals can refer to the European Chemicals Agency (ECHA) official database:
https://echa.europa.eu/substance-information/-/substanceinfo/100.014.194

This authoritative link strengthens data transparency and helps industry experts verify REACH registration status, CLP classification, and exposure limits of n-Heptane (CAS 142-82-5) under European regulatory frameworks.

To foster a positive and healthy corporate culture, enhance employees’ physical and mental well-being, and strengthen organizational cohesion, Junyuan Petroleum Group held the 2025 8th “Junyuan Cup” Fun Games from September 27 to October 14.

Themed “Give Your All, Showcase Your Spirit, Unite to Sprint Through Q4”, the event featured seven activities combining fun, teamwork, and competition: fishing, Guandan card game, tug-of-war, brick relay, blindfolded drum hitting, table tennis relay, and multi-person ball carry. More than 100 employees from various departments participated, releasing energy through sports and building camaraderie through collaboration.

On September 27 and October 10, the fishing and Guandan competitions were held at the southern bank of Junyuan Lake and the company cafeteria, respectively, providing participants a relaxed and joyful environment to enjoy their favorite activities.

On October 14, all participants and award winners gathered in front of the office building for prize presentations for the essay and photography competitions, as well as the fishing contest. Junyuan Petroleum Group’s General Manager Qi Chunxiao, Resident “First Secretary” Cui Zhiyuan, Deputy General Managers Yu Rui, Wei Fuchang (also Plant Director), Chen Zhenbao, and Deputy Plant Director Li Gang attended the event. Following the awards, tug-of-war, brick relay, and other competitive yet fun activities took place.

The atmosphere on-site was energetic and intense, with each activity proceeding in an orderly manner and offering many exciting moments. Participants gave their all, cooperating closely with teammates and demonstrating a vibrant and positive spirit. After a series of thrilling yet entertaining competitions, winners for each event were announced, with judges presenting awards.

The success of the Fun Games provided a platform for self-expression, teamwork, and resilience-building, enhancing employee unity, cohesion, and collective pride. It also motivated everyone to embrace challenges and strive forward with determination, maintaining an excellent spirit for tackling Q4 goals and achieving the year’s objectives.

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Highlights of the Event

Award Ceremony
On the morning of October 14, Junyuan Petroleum Group held the award ceremony for the 10th themed essay competition and the 8th themed photography contest. Deputy General Manager and Plant Director Wei Fuchang, Deputy General Manager Chen Zhenbao, and Deputy Plant Director Li Gang presented awards to first, second, and third-place winners in both competitions.

Fishing Competition
The fishing competition was successfully held on September 27 at the southern bank of Junyuan Lake, with over 20 participants joining the “fishing fun” event. After a morning of competition, Guo Taotao from the Operations Support Department won the first prize for total catch weight, while Li Hailiang from the Production Operations Center took second place. Sun Guotao from the Production Operations Center claimed first prize for the heaviest single fish, followed by Li Tao from the Procurement Department. Zhou Xiaomeng from the Power Support Workshop won the first prize for total number of fish, with Sun Xiangchun from the Finance Department taking second place. On October 14, General Manager Qi Chunxiao and Resident “First Secretary” Cui Zhiyuan presented awards to the top fishing winners.

Guandan Card Game
The Guandan card competition was held on October 10 in the cafeteria. Teams of two displayed strategic thinking and coordination, sometimes deeply contemplating moves, other times acting decisively. Laughter and cheers filled the room. Ultimately, Li Gang’s team won first place, followed by Wang Di’s team in second. Deputy General Manager and Chief Safety Officer Qiao Huijie awarded the winners.

Tug-of-War
On the morning of October 14, six teams from different departments competed in the tug-of-war event on the west side of the office building. At the referee’s whistle, participants gripped the rope tightly, leaned back, shouted team slogans, and pulled with all their strength—at one point even breaking the rope! After a rematch with a new rope, Liu Hongguang led the Production Operations Center team to victory. Cui Zhiyuan presented awards to the winning team.

Brick Relay
Immediately following the tug-of-war, the brick relay was held, with four teams competing in two groups. Participants placed bricks under their feet and raced forward, coordinating and giving directions to teammates. Ultimately, Li Hongwen led the Operations Support Department team to victory. Wei Fuchang presented awards to the winners and participants.

Blindfolded Drum Hitting
The blindfolded drum-hitting event took place on the morning of October 14. Each team assigned one member to direct while the other, blindfolded, spun in place and tried to reach the drum. Some participants went in the wrong direction, some spun in circles, and others overshot the target, creating hilarious moments. Xu Qiuhan’s team emerged victorious, with Wei Fuchang presenting awards.

Table Tennis Relay
On the afternoon of October 14, participants gathered on the south side of the office building for the table tennis relay. The first runner used long chopsticks to carry a ball from a box to the second runner, who then threw it backward for the third runner to catch with a small bucket. The event tested patience, coordination, and teamwork. Wang Di’s team won first place, with Wei Fuchang presenting awards.

Multi-Person Ball Carry
The final event of the Fun Games was the multi-person ball carry. Teams of four held balloons and moved forward in sync at the whistle. Some teams marched with large steps, others shuffled cautiously, and some dropped the balloons and returned to the start, creating many laugh-out-loud moments. Wang Shukun’s team ultimately won, with Wei Fuchang presenting awards to the winning team and participants.

This vibrant event not only strengthened team spirit and employee engagement but also reflects the same commitment to excellence and collaboration that Junyuan Petroleum Group brings to its products. Just as employees worked together seamlessly in the “Junyuan Cup” Fun Games, the Group’s high-purity chemical solutions—Pentane, Hexane, and Heptane—deliver reliable performance, precision, and quality to industries worldwide. The teamwork, dedication, and energy demonstrated on the field mirror the meticulous care and innovation infused into every product, reinforcing Junyuan Petroleum Group’s promise of excellence from workplace culture to global chemical solutions.

Empowering Innovation Across Chemical Manufacturing, Pharmaceuticals, Electronics, and Beyond

Abstract

Junyuan Petroleum Group, a premier global manufacturer of pentane, hexane, and heptane, offers high-purity chemical solutions tailored to the diverse needs of industries worldwide. From chemical manufacturing and pharmaceutical production to electronics, building materials, and international trade, Junyuan’s solvent portfolio fosters efficiency, sustainability, and innovation. This article explores how Junyuan’s products are critical enablers across these sectors, delivering reliable, scalable, and environmentally conscious solutions that meet modern industrial demands.

Keywords: Junyuan Petroleum Group, pentane, hexane, heptane, chemical manufacturing, pharmaceuticals, electronics, building materials, industrial solvents, international trade

Introduction

In the ever-evolving global landscape of chemical and industrial markets, the demand for high-quality solvents continues to grow. Junyuan Petroleum Group, established in 2006, stands as a leading force in this field, offering specialized solutions through the production of pentane, hexane, and heptane—three key hydrocarbons that power a broad spectrum of applications. With state-of-the-art production facilities located in Shandong and Xinjiang, and a robust global distribution network, Junyuan is uniquely positioned to meet the needs of diverse industries such as chemical manufacturing, pharmaceuticals, electronics, building materials, and international trade.

Junyuan Petroleum Group is the predecessor of Junyuan Holding Group, which has grown into a diversified conglomerate with expertise in various industries, further enhancing its global presence and capabilities. This article outlines how Junyuan’s specialized products provide tailored solutions to these sectors, driving innovation and operational excellence, while contributing to sustainability.

Chemical Manufacturing: Precision Solvents for a Sustainable Future

The chemical manufacturing industry relies heavily on solvents for a variety of purposes including reactions, extractions, and purifications. Junyuan’s offerings of pentane, hexane, and heptane—including high-purity n-pentane (95%-99%), n-hexane (60%-99%), and n-heptane (99%)—provide the precision and consistency necessary for the production of specialty chemicals, catalysts, and petrochemical derivatives.

• N-Hexane is widely used as an extraction solvent for vegetable oils and essential oils, a crucial part of the food processing industry.

• N-Heptane, with its non-polar properties, serves as a primary solvent in organic synthesis, such as in the production of pharmaceuticals and fuel additives.

These solvents are also integral in manufacturing high-performance coatings, adhesives, and polymers that are used across a broad array of industries. Junyuan ensures consistent product quality, with stringent quality controls to maintain lot-to-lot consistency, ensuring chemical manufacturers achieve stable, reproducible results, enhancing both productivity and sustainability. As environmental concerns continue to drive innovation, Junyuan remains committed to producing solvents that adhere to eco-friendly standards, thus helping manufacturers reduce their environmental footprint while maintaining performance.

Pharmaceuticals: High-Purity Solutions for Life-Saving Innovations

Purity is of paramount importance in the pharmaceutical industry, where even trace amounts of impurities can compromise the efficacy of life-saving drugs. Junyuan’s high-purity n-heptane (99%+) and n-hexane are indispensable for a range of pharmaceutical applications, including active pharmaceutical ingredient (API) synthesis, solvent extraction, and laboratory research.

• N-Heptane is particularly effective for extracting botanical compounds, providing a safer and more environmentally friendly alternative to toxic solvents like hexane.

• Hexane is often used in the production of excipients and reagents, playing a crucial role in developing formulations for oral drugs, vaccines, and other medical applications.

With ISO9001 and ISO14001 certifications, Junyuan meets the rigorous global standards for quality and safety, ensuring pharmaceutical companies can produce medicines efficiently and effectively while minimizing risks. Junyuan’s commitment to quality control ensures pharmaceutical manufacturers can trust their products for critical life-saving applications, knowing they meet the highest standards of purity and reliability.

Electronics: Enabling Cutting-Edge Technology

The electronics industry is one of the most dynamic sectors, with increasing demands for high-performance materials and manufacturing processes. Solvents like n-heptane and isohexane are essential for precision cleaning and degreasing delicate components in the production of semiconductors, circuit boards, and other electronic components. Junyuan’s solvents offer low residue and exceptional solvency, ensuring that electronic components are free from contaminants that could affect performance.

Additionally, these solvents play a critical role in formulating specialty resins and adhesives that are used to create durable, high-performance electronic materials, including protective coatings and encapsulation materials. As the technology sector continues to advance, Junyuan provides scalable solutions that meet the evolving needs of electronics manufacturers. Their products not only support cutting-edge developments but also help companies stay ahead of the competition by enabling them to produce high-quality materials efficiently and sustainably.

Building Materials: Enhancing Durability and Efficiency

The construction and building materials industry has seen significant advances in recent years, driven by innovations that improve energy efficiency and sustainability. Junyuan’s pentane-based products are at the forefront of these developments. As a leading supplier of n-pentane, isopentane, and pentane blends, Junyuan provides blowing agents critical for producing polyurethane and polystyrene foams, which are widely used in construction for insulation materials.

• These foams offer superior thermal insulation, contributing to energy-efficient buildings that reduce environmental impact and energy costs.

• N-Heptane also serves as a solvent in fast-drying coatings and rubber cements, enhancing the durability and application efficiency of construction materials.

Junyuan’s ability to produce customizable blends and provide reliable logistics supports the construction industry’s push for higher performance, lower energy consumption, and greater sustainability. By ensuring the availability of high-quality materials, Junyuan is helping to shape the future of green building technologies.

International Trade: Bridging Global Markets with Reliable Supply

In addition to production, Junyuan Petroleum Group excels in international trade and logistics. The company serves clients across Africa, the Americas, the Middle East, and Asia, providing consistent and reliable access to high-quality pentane, hexane, and heptane. Junyuan’s expertise in global trade is supported by its extensive logistics network, which includes a fleet of transportation vehicles and advanced packaging solutions such as drums, ISO tanks, and flexitanks.

This global reach is essential for chemical distributors and industrial clients who require reliable access to raw materials for manufacturing and resale. With strategic locations and strong partnerships, Junyuan ensures timely deliveries and streamlined supply chain management, allowing businesses worldwide to meet local demand with high-quality, cost-effective solutions.

Conclusion

Junyuan Petroleum Group’s pentane, hexane, and heptane products are more than just solvents—they are catalysts for progress across multiple industries. Through high-purity manufacturing, technical innovation, and a robust global network, Junyuan empowers manufacturers in chemical production, pharmaceuticals, electronics, building materials, and international trade to achieve their goals. As industries evolve and demand more sustainable, efficient solutions, Junyuan remains a steadfast partner, delivering the chemical expertise and reliability needed to drive the future of these sectors.

Call to Action

Discover how Junyuan Petroleum Group can elevate your business with tailored chemical solutions. Contact us today to explore our full product range and unlock new opportunities for your industry. Reach out to us via email at info@junyuanpetroleumgroup.com or call +86 178 1030 0898 to learn more about how we can support your operations and growth.

The choice of blowing agent

In the insulation industry, the choice of blowing agent plays a decisive role in determining a panel’s thermal efficiency, structural strength, and environmental impact. Among the various options available today, n-Pentane stands out as one of the most efficient, economical, and environmentally friendly blowing agents for producing high-performance insulated panels.

1. Superior Thermal Performance

n-Pentane offers a low thermal conductivity value, allowing manufacturers to achieve excellent insulation performance with reduced material usage. When used in polyurethane (PU) and polyisocyanurate (PIR) foam systems, n-Pentane ensures consistent cell structure and stable insulation properties even under extreme temperature variations. This makes it an ideal choice for building envelopes, cold storage, and refrigerated transport applications.

2. Environmentally Responsible Choice

Compared with traditional CFCs and HCFCs, n-Pentane is a non-ozone-depleting hydrocarbon with zero ODP (Ozone Depletion Potential) and very low GWP (Global Warming Potential). As global regulations increasingly restrict the use of high-GWP materials, n-Pentane provides a sustainable alternative that helps manufacturers comply with environmental standards such as the EU F-Gas Regulation and the Montreal Protocol.

3. Cost Efficiency and Process Compatibility

n-Pentane not only delivers strong insulation performance but also offers significant cost advantages. It is compatible with existing foam production equipment, minimizing the need for plant modification. Its stable supply and competitive pricing make it a preferred choice for large-scale panel manufacturers seeking a balance between performance and cost control.

4. Proven Reliability in Global Applications

Leading insulation panel producers worldwide have adopted n-Pentane as their primary blowing agent. Its proven track record in both continuous and discontinuous panel production lines demonstrates its versatility and reliability. Whether for roof and wall panels, cold storage facilities, or industrial buildings, n-Pentane consistently delivers superior insulation and long-term durability.

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In summary, n-Pentane offers an exceptional balance of performance, environmental responsibility, and cost-effectiveness. As the insulation industry continues its transition toward greener technologies, n-Pentane remains a trusted choice for manufacturers striving for both efficiency and sustainability.

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Further Reading:
For a deeper understanding of how hydrocarbon blowing agents are transforming modern insulation technology, visit the European Association for Foamed Plastic Insulation (EAIPI) — an industry resource offering insights into sustainable materials, energy efficiency, and environmental compliance in foam production.

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Article Content:

For international buyers, one of the most common questions when sourcing n-Heptane is: “Which countries can exporters ship to?” The answer depends on shipping regulations, chemical handling standards, and the exporter’s logistics capabilities.

1. Global Shipping Overview

Most reputable n-Heptane exporters can ship to a wide range of countries, including:

• North America: United States, Canada, Mexico
• Europe: Germany, France, United Kingdom, Italy, Spain, Netherlands
• Asia: China, India, Japan, South Korea, Singapore
• Middle East: UAE, Saudi Arabia, Israel
• Africa: South Africa, Egypt, Morocco

However, shipping is subject to local chemical import regulations and safety compliance requirements.

2. Regulatory Considerations

n-Heptane is classified as a flammable chemical and is subject to international hazardous materials transport regulations, including:

• UN Number: 1208 (for transport of n-Heptane)
• IMDG Code: For sea transport
• IATA Regulations: For air shipment
• Local Import Permits: Some countries require chemical import licenses or safety documentation

Exporters must ensure all shipments meet these standards to avoid delays or legal issues.

3. Packaging and Shipping Methods

n-Heptane is typically shipped in:

• ISO Tanks: For large volumes (16-16.8 MT per tank)
• Drums: Standard 137 kg drums for smaller shipments
• Palletized Containers: For drums only

Proper packaging ensures safety and compliance during transport.

4. Choosing the Right Exporter

A reliable n-Heptane exporter should provide:

• Documentation for international shipping, including SDS, COA, and customs paperwork
• Expertise in handling hazardous chemicals
• Flexible shipping options for multiple countries

Conclusion

n-Heptane exporters can ship to most industrialized and developing countries, but buyers must verify local regulations and import requirements. Partnering with an experienced exporter ensures smooth delivery, regulatory compliance, and safe handling of flammable chemicals.

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Further Reading and References

For more information on international chemical shipping regulations and safety standards, see:

• UN Recommendations on the Transport of Dangerous Goods
• IATA Dangerous Goods Regulations

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When sourcing n-Heptane from international suppliers, one of the most common questions buyers ask is: “What purity levels are available?” The purity of n-Heptane directly impacts its performance, safety, and suitability for various applications, from industrial solvents to pharmaceutical processes.

1. Common Purity Grades of n-Heptane

Suppliers typically offer n-Heptane in the following purity levels:

• 95% Purity: Often used in industrial applications such as adhesives, coatings, and general solvents. Suitable for processes where ultra-high purity is not required.
• 99% Purity: A widely used grade for laboratories, analytical applications, and some industrial uses. It balances cost and performance.
• 99.5% Purity or Higher: High-purity n-Heptane is commonly used in pharmaceutical, electronic, and specialty chemical industries. This grade meets strict quality standards and is often accompanied by Certificates of Analysis (COA).

2. Why Purity Matters

• Industrial Applications: Lower purity grades may contain hydrocarbons that do not affect general solvent performance but are unsuitable for sensitive processes.
• Pharmaceutical & Laboratory Use: Impurities can affect reactions, product stability, or analytical accuracy. High-purity n-Heptane ensures consistency and compliance with regulatory standards.
• Safety & Handling: Suppliers provide Material Safety Data Sheets (MSDS) indicating handling precautions for each grade.

3. How to Verify Purity

Before purchasing, buyers should request:

• COA (Certificate of Analysis): Confirms the exact purity and identifies impurities.
• MSDS (Material Safety Data Sheet): Provides safety and handling information.
• Sample Testing: Some suppliers provide small sample shipments for testing in your own processes.

4. Choosing the Right Supplier

A reliable n-Heptane supplier should provide:

• Clear documentation of purity levels.
• International shipping options with proper packaging (ISO tanks, drums, pallets).
• Compliance with certifications such as REACH, ISO, or GMP when required.

Conclusion

Understanding the purity levels of n-Heptane is critical for selecting the right grade for your application. Always request documentation and, if possible, test samples to ensure you receive the quality you need. Partnering with a reputable supplier ensures safe, consistent, and compliant n-Heptane delivery for industrial, laboratory, or pharmaceutical purposes.

Further Reading and References

For more detailed technical information on n-Heptane purity standards and applications, you can refer to Junyuan Petroleum Group’s n-Heptane Product Page, which provides comprehensive COA, MSDS, and application notes. Additionally, the PubChem database offers extensive chemical properties and safety data, helping buyers make informed decisions.

n-Pentane | Isopentane | Cyclopentane

In today’s global chemical market, Pentane isomers play a vital role across industries ranging from polyurethane foam insulation to refrigeration systems and chemical extraction processes. High-quality Pentane products—particularly n-Pentane (CAS 109-66-0), Isopentane (CAS 78-78-4), and Cyclopentane (CAS 287-92-3)—are essential raw materials for manufacturers seeking efficiency, purity, and environmental compliance.

1. Overview of Pentane Isomers

Pentane is a family of hydrocarbons (C₅H₁₂) consisting of three structural isomers:

• n-Pentane — a straight-chain hydrocarbon known for its strong solvent power and consistent evaporation rate.
• Isopentane (2-Methylbutane) — a branched isomer offering a lower boiling point, ideal for refrigerant and foam-blowing applications.
• Cyclopentane — a cyclic hydrocarbon with excellent insulation performance and zero ozone-depleting potential (ODP).

All three are clear, colorless liquids with low toxicity, high volatility, and compatibility with a wide range of industrial materials.

2. Technical Comparison

Property	n-Pentane	Isopentane (2-Methylbutane)	Cyclopentane
CAS No.	109-66-0	78-78-4	287-92-3
Chemical Formula	C₅H₁₂	C₅H₁₂	C₅H₁₀
Boiling Point (°C)	36.1	27.8	49.3
Density (20°C, g/cm³)	0.626	0.620	0.746
Flash Point (°C)	-49	-51	-37
Applications	Solvent, extraction, blowing agent	Foam blowing, refrigerant blend	Insulation foaming agent

These distinct properties make each isomer suited for specific applications, ensuring performance consistency and compliance with global environmental standards.

3. Industrial Applications

• Refrigeration & Insulation Foams:
  Cyclopentane and Isopentane are widely used as eco-friendly blowing agents in polyurethane (PU) and polyisocyanurate (PIR) foam production. They offer high insulation efficiency with low global warming potential (GWP).
• Solvent Extraction:
  n-Pentane serves as a clean, fast-evaporating solvent in the pharmaceutical, adhesive, and oil extraction sectors.
• Chemical Blends:
  Blended Pentanes (n-/Isopentane or Cyclo/Isopentane) are tailored for optimized foam density, flow, and expansion performance.

4. Quality & Packaging

High-purity Pentane products (95%–99%) are available in ISO tanks, drums, and bulk deliveries, ensuring safe transportation and global supply reliability. Each batch is tested for purity, moisture, and color to meet international quality standards.

5. Sustainability & Global Reach

As environmental regulations tighten worldwide, the transition to non-CFC, non-HCFC blowing agents has accelerated. Cyclopentane and Isopentane are now preferred alternatives for manufacturers seeking greener, high-performance materials. With stable supply capability and flexible logistics, reliable Pentane suppliers help global partners maintain consistent production and cost efficiency.

For manufacturers and distributors seeking high-purity Pentane isomers that meet international standards, reliability and consistency are key. Whether you require n-Pentane for solvent extraction, Isopentane for refrigerant formulations, or Cyclopentane for eco-friendly foam production, sourcing from trusted global suppliers ensures performance and safety.

Learn more about sustainable blowing agents and global chemical standards from ChemEurope — a leading resource for chemical industry insights. Partner with reliable Pentane producers today to secure stable supply, technical support, and long-term value in your production chain.

We are pleased to introduce our premium-grade Cyclopentane–Isopentane blend, engineered to meet Cyclopentane–Isopentane Blend 50/50: High-Purity Blowing Agent for South American Foam and Refrigeration Industries

Looking for a reliable, high-performance blowing agent for rigid polyurethane foam production? Our Cyclopentane–Isopentane Blend 50/50 offers a precisely balanced formulation with exceptional purity, engineered to meet the demands of manufacturers across South America.

Product Overview: Cyclopentane–Isopentane Blend 50/50 This mixed pentane blend contains equal parts Cyclopentane and Isopentane (50% each), delivering consistent expansion behavior, excellent solubility, and compatibility with a wide range of foam systems used in insulation, refrigeration, and packaging.

Technical Specifications

• Cyclopentane: 50%
• Isopentane: 50%
• Sulfur content: < 2 ppm
• Moisture content: < 50 ppm

Key Benefits for South American Manufacturers

• Stable performance in tropical and temperate climates
• Excellent thermal insulation and expansion properties
• Ultra-low sulfur and moisture levels reduce corrosion risk
• Environmentally responsible with reduced VOC emissions
• Fully compliant with international safety and handling standards

Applications

• Rigid polyurethane foam insulation
• Refrigeration panel manufacturing
• Eco-friendly packaging solutions
• Aerosol propellants and chemical intermediates

Packaging Format Due to its flammability and volatility, Cyclopentane–Isopentane Blend 50/50 is exclusively available in ISO tank packaging. This format ensures secure bulk transport, temperature stability, and compliance with international regulations for hazardous materials.

Why Choose Our Blend? We offer consistent quality, responsive service, and technical expertise to support South American clients in achieving operational efficiency and product excellence. Our logistics team provides full export documentation, including COA, SDS, and BL, ensuring smooth customs clearance across Brazil, Argentina, Chile, Colombia, and beyond.

Contact Us Today For product inquiries, sample requests, or technical consultations, reach out to our international sales team. We are committed to building long-term partnerships based on trust, transparency, and performance.

For more insights into the safe handling and application of blowing agents in polyurethane systems, we recommend reviewing the UN Recommendations on the Transport of Dangerous Goods and the American Chemistry Council’s guidelines on foam insulation. These resources help ensure compliance with international standards and support best practices in chemical logistics and product stewardship.

By aligning with global benchmarks and offering consistent, high-purity formulations, our Cyclopentane–Isopentane Blend (50/50%) continues to be a trusted choice for South American manufacturers seeking performance, safety, and reliability.

Sodium Methoxide in Methanol

We are pleased to offer immediate availability of Sodium Methoxide in Methanol, manufactured via the metallic sodium method, a process known for delivering high purity and consistent performance. This product meets the requirements of HG/T 2561-2014 and is ideal for applications in pharmaceuticals, agrochemicals, biodiesel production, and fine chemical synthesis.

Product Highlights

• Exceptional Purity Total alkali content: 30.15% Free alkali: 0.27% Moisture: 0.12% Ensures high reactivity and minimal side reactions.
• Reliable Metallic Sodium Route Produced using metallic sodium and anhydrous methanol, this method avoids water byproducts and delivers superior product stability.
• Ready-to-Ship Inventory Current stock: 5MT in barrel packaging, available for prompt dispatch.
• Strict Quality Control Each batch is tested and certified with a full Certificate of Analysis (COA) to guarantee compliance and peace of mind.

Product Details

• Product Name: Sodium Methoxide in Methanol
• Lot No.: JPG2510170930
• Packaging: ISO Tank
• Quantity: 20 Metric Tons/ISO tank
• Quality Standard: HG/T 2561-2014
• CAS No.: 124-41-4

Test Item	Specification	Test Result
Appearance	Colorless to Yellowish Viscous Liquid	Colorless Viscous Liquid
Total Alkali Content	28.9–31.0%	30.15%
Free Alkali	≤0.50%	0.27%
Moisture	≤0.20%	0.12%

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If this specification suits your requirements, or if you need a tailored quotation or sample, please don’t hesitate to reach out. We’re committed to providing responsive service, dependable quality, and flexible logistics to support your business.

As global demand for energy-efficient insulation materials continues to rise, Pentane-based blowing agents have become the preferred choice for manufacturers seeking high performance, environmental compliance, and cost efficiency.

We offer a full range of Cyclopentane, Isopentane, and n-Pentane blends designed to meet the diverse needs of the polyurethane (PU) and expanded polystyrene (EPS) foam industries.

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1. Cyclopentane / Isopentane 50/50 Blend

A balanced formulation combining excellent foam expansion with fast curing performance.

• Composition: 50% Cyclopentane, 50% Isopentane
• Boiling Range: 28–49°C
• Applications: PU foam blowing agent, solvent
• Advantages: Ideal for rigid insulation panels and energy-efficient foam systems

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2. Cyclopentane / n-Pentane 50/50 Blend

Engineered for high insulation performance and uniform cell structure in EPS and PU foams.

• Composition: 50% Cyclopentane, 50% n-Pentane
• Boiling Range: 36–49°C
• Applications: EPS & PU foam blowing agent
• Advantages: Enhanced compatibility with foam formulations and stable performance

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3. n-Pentane / Isopentane 80/20 Blend

Optimized for EPS foam production with excellent vaporization and flow characteristics.

• Composition: 80% n-Pentane, 20% Isopentane
• Boiling Range: 28–36°C
• Applications: EPS foam blowing agent, solvent
• Advantages: Cost-effective, high-purity hydrocarbon blend with consistent results

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4. n-Pentane / Isopentane 70/30 Blend

Delivers the right balance of volatility and foam density control for PS foam manufacturing.

• Composition: 70% n-Pentane, 30% Isopentane
• Boiling Range: 28–36°C
• Applications: PS foam blowing agent, solvent
• Advantages: Proven performance in thermal insulation and packaging foam production

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Why Choose Our Pentane Blends?

• High Purity & Consistency: Reliable performance in all industrial applications
• Eco-Friendly: Zero ODP and low GWP alternatives to traditional CFCs and HCFCs
• Global Supply Capability: Safe packaging and worldwide export
• Customized Formulations: Tailored Pentane ratios to meet specific process requirements

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Applications Across Industries

• Refrigeration & Insulation Foams (PU, PIR)
• Expanded & Extruded Polystyrene (EPS, XPS)
• Adhesives & Coatings
• Industrial Solvents

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Safety & Handling

All Pentane Blends are highly flammable (UN No. 1265) and must be stored tightly sealed in cool, ventilated areas away from ignition sources. Proper grounding, ventilation, and explosion-proof equipment are essential for safe operation.

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Conclusion

Whether you are producing PU insulation panels, EPS packaging foam, or high-performance adhesives, our Cyclopentane / Isopentane and n-Pentane blends deliver the purity, efficiency, and safety your process demands.

Learn More About Eco-Friendly Blowing Agents

For more insights on sustainable foam insulation materials and global blowing agent trends, explore industry resources such as Polyurethane Foam Association, PU Europe, and ChemicalSafetyFacts.org.

Discover how Cyclopentane, Isopentane, and n-Pentane blends are driving innovation in PU and EPS foam manufacturing, offering high performance, low environmental impact, and global compliance with modern insulation standards.

✅ Contact us today to learn more about tailored Pentane solutions for your application.