Tag Hexane

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.

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.

In the competitive landscape of industrial chemicals, quality, reliability, and purity define success. Our premium high-purity pentanes – including n-Pentane, Isopentane, and Cyclopentane – are engineered to meet the strictest technical standards required by manufacturers in electronics, pharmaceuticals, adhesives, and refrigeration industries.

Our products are designed to directly compete with industry leaders such as SK and LG, offering equivalent or superior performance and purity. They are distinguished by:

Isopentane purity above 99%, ensuring stable and predictable performance in refrigeration systems and high-precision applications. Ultra-low impurity levels, with cyclic pentanes below 100 ppm, light fractions under 0.5%, and total sulfur under 1 ppm. Negligible aromatic content, with benzene below 10 ppm, and non-volatile residues less than 1 mg/100 ml, ideal for sensitive chemical processes.

These specifications reflect our commitment to chemical purity, process safety, and regulatory compliance. Having successfully supplied demanding Asian markets, our pentanes have proven their consistent quality, excellent performance, and strong reputation. This regional success confirms our ability to support global industrial partners who require high-grade pentanes for critical applications.

Whether used as solvents, foam-blowing agents, or high-purity chemical intermediates, our pentanes provide industrial users with uncompromising quality, reliable supply, and peace of mind. Partner with us to access world-class pentanes designed to match or outperform leading competitors in the market.

On September 5, a delegation from the School of Materials Science & Chemical Engineering of Harbin Engineering University, led by Dean Prof. Yang Piaoping, Party Secretary Wang Jianan, and Vice Dean Prof. Li Junqing, visited Junyuan Petroleum Group for a comprehensive exchange.

The delegation toured Junyuan Petroleum’s central control room, quality inspection center, and production facilities, gaining first-hand insights into the company’s advanced processes and solvent production capabilities. With a product portfolio that includes high-purity n-Pentane, n-Hexane, n-Heptane, as well as eco-friendly blowing agents such as Cyclopentane, Isopentane, and Isobutane, Junyuan Petroleum is committed to supporting innovation in sectors ranging from refrigeration and insulation to pharmaceuticals and adhesives.

During the meeting, both parties shared perspectives on strengthening cooperation in scientific research, breakthrough technologies, and talent development. On behalf of Chairman Mr. Miao Guangfa, Vice General Manager Yu Rui warmly welcomed the delegation and highlighted the Group’s development strategy and future innovation roadmap. Prof. Yang Piaoping introduced the school’s academic strengths, research platforms, and successful cases of technology transfer, expressing strong interest in deeper collaboration.

The two sides reached consensus that this exchange has laid a solid foundation for a long-term strategic partnership. Looking ahead, Junyuan Petroleum Group and Harbin Engineering University will focus on integrating the “innovation chain + industrial chain,” advancing frontier technology research, promoting green and efficient applications of solvents, and cultivating high-level talent. Together, they aim to accelerate industry transformation, contribute to national “dual carbon” goals, and create a new chapter of win-win cooperation between academia and industry.

Keywords: n-Hexane, n-Heptane, Isohexane, CAS Number, HS Code, UN Number, Applications, Chemical Properties, Industrial Use

Abstract

This article provides a comparative analysis of n-Hexane, n-Heptane, and Isohexane in terms of their CAS numbers, HS codes, UN numbers, and practical applications. These hydrocarbons play crucial roles in industrial solvents, fuel additives, and chemical synthesis. Understanding their regulatory classifications and primary uses enables better decision-making in logistics, trade, and compliance.

Introduction

n-Hexane, n-Heptane, and Isohexane are key hydrocarbons used in various industrial applications, particularly in solvent extraction, chemical synthesis, and fuel formulation. While they share similar structures, their distinct properties define their applications and regulatory classifications.

Chemical Identifiers and Classification

Chemical	CAS Number	HS Code	UN Number
n-Hexane	110-54-3	2901.10	UN 1208
n-Heptane	142-82-5	2902.20	UN 1206
Isohexane	107-83-5	2901.10	UN 1262

Each compound has a unique CAS number, which serves as an international identifier in chemical databases. Their HS codes categorize them for international trade purposes, ensuring standardized tariffs and trade policies. The UN numbers indicate transportation hazards and are used for classifying hazardous materials under shipping regulations.

Applications

1. n-Hexane

• Widely used as a solvent in industrial processes such as oil extraction, adhesives, and coatings.
• Commonly found in degreasing agents due to its strong solvency properties.
• Frequently used in laboratory settings for chromatography and chemical synthesis.

2. n-Heptane

• Applied in octane rating determination for fuels, particularly in gasoline standardization.
• Used as a non-polar solvent in chemical and pharmaceutical industries.
• Functions as a cleaning agent for electronics and specialized machinery.

3. Isohexane

• Primarily utilized in gasoline blending as a high-performance fuel component.
• Used in polymer manufacturing and synthetic rubber production.
• Commonly found in formulations requiring controlled volatility characteristics.

Conclusion

n-Hexane, n-Heptane, and Isohexane serve distinct roles in industrial applications, yet share common classifications for trade and regulatory purposes. Understanding their CAS numbers, HS codes, and UN numbers aids in navigating logistics and compliance requirements efficiently. The diverse applications of these hydrocarbons reinforce their significance in industries such as fuel refining, chemical processing, and manufacturing.

Chapter One: A Serendipitous Discovery in the Laboratory

In the late 19th century, German chemists, during an oil distillation experiment, unexpectedly isolated a colorless and highly volatile liquid hydrocarbon mixture. Spectral analysis confirmed that it was a straight-chain alkane composed of six carbon atoms—n-Hexane. Initially regarded as a “supporting character” in laboratories, scientists soon realized that this compound’s potential was far from fully tapped.

Chapter Two: The Industrial Revolution’s “Invisible Driver”

In the early 20th century, the rise of the rubber industry marked n-Hexane’s first moment in the spotlight. Natural rubber processing required powerful solvents to soften the latex, and n-Hexane quickly stood out due to its high solvency, relatively low toxicity (compared to other solvents), and easy volatility. American rubber companies were the first to mass-produce it, and demand for n-Hexane surged alongside the explosive growth of the automotive industry.

At the same time, advances in petroleum refining significantly reduced the cost of extracting n-Hexane. Capturing it as a byproduct from crude oil distillation became a “windfall” for petroleum companies. By World War II, n-Hexane was even classified as a strategic material—an essential ingredient not just for rubber production, but also for manufacturing military-grade coatings and cleaning agents.

China’s First Steps

In China, early petroleum refining enterprises gradually established production capabilities for n-Hexane. One of them was the predecessor of Junyuan Petroleum Group, a local refinery that, during the economic reforms of the 1980s, keenly identified the growing demand for n-Hexane in the rubber and chemical sectors. It was among the first in the country to build a full-scale n-Hexane production line.

Chapter Three: Crisis and Transformation — A Rebirth Amid Health Concerns

In the 1970s, workers in Europe and the U.S. began exhibiting symptoms of peripheral neuropathy. Medical investigations traced the cause to long-term exposure to n-Hexane vapors. Once publicized, n-Hexane was labeled a “high-risk solvent,” and its use in consumer goods became strictly regulated in the West. The once-thriving industry entered a period of decline.

China’s Game Changer Emerges

Just as the global n-Hexane market was shrinking, a key subsidiary of Junyuan Petroleum Group—Dongying Liangxin Petrochemical Technology Development Limited Company—seized a strategic opportunity in 2006. At the time, China’s rubber, coatings, and pharmaceutical sectors saw soaring demand for n-Hexane, but domestic supply was limited to low-end imported products. Liangxin was the first in China to establish a large-scale n-Hexane production line, leveraging a proprietary multi-stage molecular distillation + adsorption purification process to increase purity from the industry average of 95% to 99.9%, breaking foreign technology monopolies.

This breakthrough not only filled the gap in domestic high-purity industrial n-Hexane production, but also enabled Chinese companies to gain influence in the global supply chain. By 2010, Liangxin’s production capacity exceeded 100,000 tons per year, capturing over 60% of China’s market share and becoming a designated supplier to global giants like Samsung and LG. Its success directly propelled Junyuan Petroleum Group’s transformation from a regional refinery into a global chemical industry leader.

Chapter Four: China’s Rise as a Global Supply Chain Powerhouse

After 2000, China’s vast refining capacity and cost advantages made it the world’s central hub for n-Hexane supply. Thousands of chemical enterprises emerged in provinces like Shandong and Jiangsu. Among them, Junyuan Petroleum Group rose rapidly to become the largest n-Hexane producer in China, thanks to its technological leadership, scale, and international strategy.

• Technology Foundation: Subsidiary Liangxin’s continuous distillation–isomerization technology reduced production costs by 30% and energy consumption by 40% compared to traditional processes, supporting large-scale capacity expansion.

• Capacity Expansion: In 2015, Junyuan built the world’s largest single-site n-Hexane production facility in Dongying, Shandong, with an annual capacity of 250,000 tons, meeting the needs of the rubber, electronics, and new energy industries.

• Global Footprint: Junyuan established sales centers in Southeast Asia and Europe. Its products are exported to over 50 countries, serving global giants like Samsung, TSMC, and LG.

Chapter Five: The Next Battle — New Energy and the Circular Economy

Today, the story of n-Hexane continues. In the lithium battery industry, it’s used for drying electrode materials. Under the trend of carbon neutrality, scientists are exploring the use of n-Hexane as an intermediate to synthesize biofuels. Most notably, an American startup is testing technology to produce n-Hexane via CO₂ catalytic reduction—if successful, petroleum would no longer be its sole source.

Junyuan’s Forward-Thinking Strategy

• Stable Raw Material Sourcing: Long-term cooperation with oil-producing countries in the Middle East and Russia ensures supply stability.

• Technological Innovation: Partnerships with leading Chinese universities support the development of new n-Hexane derivatives, expanding applications in pharmaceuticals and new energy fields.

In an era of global industrial transformation, Junyuan Petroleum is not merely selling n-Hexane—it is leading the future of the entire industry.

Epilogue

From a serendipitous discovery in a German laboratory to the rise of Chinese enterprises on the world stage, the commercial history of n-Hexane is a legend of industrial revolutions and technological innovation. And Junyuan Petroleum Group is an indispensable part of that legend—not just the world’s largest n-Hexane producer, but a pioneer driving change across the entire sector.

As of April 25, 2025, the market price of industrial-grade n-Hexane, 60% in China remained at RMB 8,500/ton (~USD 1,160/ton), with zero fluctuation observed during the 11-day period from April 14 to April 25. This stability highlights several underlying features and trends within the domestic hexane market.

I. Analysis of Price Stability

The rare “zero-volatility” trend during this period may be attributed to a combination of the following factors:

1. Supply-Demand Equilibrium: The current balance between supply and demand in the chemical sector appears strong. Neither seasonal variations nor unexpected disruptions (such as transportation issues) occurred. Downstream procurement remained steady, and upstream production capacity experienced no major adjustments.

2. Cost and Policy Support: The cost of producing n-Hexane—linked to feedstocks like crude oil and natural gas—remained stable, preventing cost-driven price shifts. In addition, government oversight or industry coordination may have contributed to market stability by discouraging price surges that could pressure manufacturing costs.

II. Industry Context

This data reflects trends specific to the Chinese market and must be interpreted in the broader context of the industry:

• Demand Structure: n-Hexane is widely used as a solvent and chemical intermediate, especially in coatings, adhesives, and rubber processing. Its relatively low demand elasticity means usage doesn’t rapidly rise or fall. The current stability may indicate a flat downstream demand or improved efficiency reducing per-unit consumption. Notably, rising demand for high-purity solvents in the new energy sector (e.g., lithium battery adhesives) has not yet significantly impacted this traditional hexane segment.

• Market Competition: The domestic n-Hexane market is likely dominated by leading local producers, with moderate pressure from imports. Price stability suggests a relatively balanced and cautious competitive environment.

III. Risk Outlook: What Could Disrupt This Balance?

Despite the short-term calm, the following risks could cause price shifts:

1. Upstream Volatility: A surge in global crude oil prices—driven by geopolitical events or OPEC policy—could increase production costs and exert upward pressure on n-Hexane pricing.

2. Environmental and Regulatory Pressures: Stricter environmental regulations may cause plant shutdowns or capacity reductions, tightening supply. Carbon reduction targets could also increase costs for feedstock processing methods such as gas-to-olefins (GTO).

3. Substitution Risk: As VOC (Volatile Organic Compound) regulations tighten, alternatives like Isopentane may gain market share, diverting demand from traditional n-Hexane products.

IV. Strategic Recommendations

To navigate current conditions and prepare for potential changes, businesses should consider:

• Procurement Strategy: Continue just-in-time purchasing in the short term. Mid- to long-term, build a pricing alert system focusing on crude oil futures and policy developments.

• Production Efficiency: Chemical producers should optimize processes to reduce energy consumption and offset potential cost hikes. Explore high-value downstream applications such as electronic-grade solvents to enhance product margins.

• Market Diversification: Closely monitor regional demand within China. While national data shows stability, local pricing may vary due to logistics and other regional dynamics. Flexible resource allocation is key.

V. Long-Term Outlook

This current period of price stability may be temporary. Two key forces will shape the long-term trajectory:

1. Global energy transitions and their ripple effect on petrochemical chains.

2. Industrial upgrading in China, especially the shift toward high-end chemical materials.

If the new energy industry accelerates, demand for specialty solvents could surge, possibly triggering a structural transformation of the n-Hexane market. On the other hand, continued stagnation in traditional sectors may narrow future price fluctuations even further.

In summary, the stable price of n-Hexane, 60% in recent weeks is the result of balanced supply-demand dynamics, cost control, and a cautious market environment. Industry players should adopt a dynamic and flexible strategy to respond to potential disruptions and long-term transformation opportunities.

#nHexane #Hexane #SolventMarket #Petrochemicals #PriceTrend #ChemicalMarket #EnergyChemicals #VOCs #Isopentane #Adhesives #LithiumBatteryMaterials #IndustrialChemicals #正己烷 #己烷

Strategizing High-Quality Chemical Solutions Amid Shifting Market Dynamics in South Asia

Dongying, China, April 2025 – Junyuan Petroleum Group, a global leader in premium chemical products, is exploring opportunities to meet Pakistan’s growing demand for Hexane. This initiative aligns with the company’s strategic expansion plans across South Asia while maintaining its commitment to delivering high-quality chemical solutions.

In response to the influx of Romanian petroleum-based Hexane priced at $1910-1950/MT CIF, Junyuan Petroleum Group emphasizes its focus on superior-quality offerings designed for premium market segments. “Our products are positioned differently, targeting clients who value quality and reliability over low-cost solutions,” shared David, Sales Manager of Junyuan Petroleum Group.

The company has also clarified its strict payment terms for potential buyers:

• T/T 100% prepayment
• LC at sight with a maximum validity of 90 days.

As the company finalizes its plans, it seeks client input on preferred packaging options for shipments to Karachi, offering flexibility with ISO tanks or steel drums.

This exploration into the Pakistani market underscores Junyuan Petroleum Group’s strategic commitment to expanding its footprint and continuing to lead in high-quality chemical supply and logistics.

For inquiries, please contact: David Zhang, Sales Manager Junyuan Petroleum Group

I. Isopentane

Today, the price of isopentane with 95% purity is approximatelyUSD 1,106.14 per ton(not in drums, price to be negotiated); the price of isopentane with 99% purity is approximatelyUSD 1,231.51 per ton(not in drums, price to be negotiated).

II. Pentane Mixture

Today, the price of the pentane mixture (assuming a composition similar to that of isopentane for pricing purposes) is approximatelyUSD 1,113.37 per ton.

III. Food-Grade n-Hexane

Today, the price of food-grade n-hexane with 60% and 80% purity is approximatelyUSD 1,113.37 per ton; the price of 99% purity is approximatelyUSD 1,375.68 per ton. If customers have strict requirements for aromatic hydrocarbon content (less than 10ppm), an additional fee will be charged.

IV. n-Heptane

Today, the price of n-heptane is approximatelyUSD 2,346.23 per ton. If drums are selected, an additional drumming fee will be charged (specific amount to be negotiated). If customers have strict requirements for aromatic hydrocarbon content (less than 10ppm), the price will also increase.

V. High-Purity Isobutane

Today, the price of high-purity isobutane is approximatelyUSD 1,005.97 per ton(price to be negotiated).

VI. Industrial Hexane and Cyclopentane

Today, the ex-factory price of industrial hexane is approximatelyUSD 1,744.41 per ton(drumming fee and drum cost extra); the price of cyclopentane is approximatelyUSD 1,976.12 per ton.

Exchange Rate Note: The above prices have been converted based on the real-time exchange rate of 7.2497 Chinese yuan to US dollars on February 4, 2025. Customers are advised to confirm the prices with the supplier before making any transactions, as market conditions and exchange rate fluctuations may affect the final prices.