Tag Isopentane

Industrial facility with large Cyclopentane storage tanks labeled V-701, V-702, and V-703, belonging to Junyuan Petroleum Group. Each tank features a blue identification band and access ladders. A red horizontal pressure vessel with piping and valves is visible in the foreground, indicating safety or fire suppression infrastructure. The setting is overcast, with a concrete base and organized layout.

Cyclopentane vs. Pentane: What Powers Your Foam?

🧪 Two Essential Blowing Agents: Cyclopentane and Pentane

In the world of insulation and polymer manufacturing, blowing agents play a critical role in creating lightweight, energy-efficient materials. Among the most widely used are cyclopentane and pentane, both hydrocarbon compounds known for their effectiveness and environmental advantages. Let’s explore their properties and applications.

🔹 Cyclopentane: Properties and Applications

Physical and Chemical Characteristics

Cyclopentane is a colorless, highly volatile liquid with a distinct gasoline-like odor. Key properties include:

  • Freezing Point: –94°C
  • Boiling Point: ~49°C
  • Vapor Density: 2.4 times that of air
  • Vapor Pressure: 36.6 kPa at 20°C; 69 kPa at 38°C
  • Density (20°C): 0.745 g/cm³
  • Flash Point (closed cup): –37°C (Highly flammable)
  • Autoignition Temperature: 361°C
  • Explosion Limits (vol%): 1.5% – 8.7%
  • Occupational Exposure Limit (TLV/TWA): 600 ppm

Technical Specifications

Commercial-grade cyclopentane typically meets the following standards:

  • Appearance: Clear, colorless liquid with no suspended solids
  • Purity: ≥99%
  • Moisture Content: <50 ppm
  • Non-volatile Residue: <10 ppm
  • Acidity: Neutral, free of acidic substances

Application Highlights

Cyclopentane is prized for its zero ozone depletion potential (ODP) and zero global warming potential (GWP), making it an ideal replacement for CFC-11 in foam production. It is commonly used in:

  1. CFC-free refrigerators and freezers
  2. Cold storage insulation systems
  3. Pipeline thermal insulation

Usage Notes

  • Cyclopentane has limited solubility in polyether polyols, so low-viscosity polyols are preferred.
  • It can be blended with isopentane to optimize performance.

🔸 Pentane: Properties and Applications

Pentane refers to a group of isomers, primarily n-pentane and isopentane, both used in industrial applications.

Physical and Chemical Characteristics

At room temperature, pentane is a clear, colorless liquid with a faint aromatic odor. It is:

  • Free of olefins
  • Free of suspended solids and water

Technical Specifications

Typical industrial-grade pentane meets the following criteria:

  • Appearance: Clear, no sediment or haze
  • Purity: ≥99% for n-pentane; ≥98% for isopentane
  • Composition: n-pentane is rich in straight-chain alkanes; isopentane contains branched isomers
  • Moisture Content: <20 ppm
  • Sulfur Content: <1 ppm
  • Bromine Index: Low (indicates minimal unsaturated hydrocarbons)

Application Highlights

Pentane is derived from efficient distillation of light hydrocarbons from oil fields. Its main uses include:

  1. Desorption agent in molecular sieve dewaxing (n-pentane)
  2. Blowing agent for expandable polystyrene (EPS) — often a blend of n- and isopentane
  3. Polyurethane foam production, often in combination with cyclopentane

🌍 Environmental and Industrial Relevance

Both cyclopentane and pentane are vital in the shift toward eco-friendly insulation materials. Their low environmental impact and high efficiency make them indispensable in modern manufacturing, especially as industries move away from ozone-depleting substances.

Comparison of UN Numbers, CAS Numbers, and HS Codes for n-Pentane, Isopentane, and Cyclopentane

This article provides a comprehensive comparison of three chemical compounds—n-Pentane, Isopentane, and Cyclopentane—based on their UN numbers, CAS numbers, and Harmonized System (HS) codes. These identifiers are crucial for safety regulations, chemical tracking, and international trade compliance. Understanding their distinctions helps industries manage transportation, storage, and customs procedures effectively.

Comparison Table

Chemical Compound | UN Number | CAS Number | HS Code

n-Pentane | UN 1265 | CAS 109-66-0 | 2901.10.10
Isopentane | UN 1265 | CAS 78-78-4 | 2901.10.90
Cyclopentane | UN 1146 | CAS 287-92-3 | 2902.19.00

Keywords

n-Pentane, Isopentane, Cyclopentane, UN Number, CAS Number, HS Code, Chemical Identification, International Trade, Chemical Safety, Transportation Regulations

This structured comparison allows professionals in chemistry, logistics, and trade to better navigate classification and compliance requirements.

Comparison of UN Numbers, CAS Numbers, and HS Codes for n-Pentane, Isopentane, and Cyclopentane

This article provides a comprehensive comparison of three chemical compounds—n-Pentane, Isopentane, and Cyclopentane—based on their UN numbers, CAS numbers, and Harmonized System (HS) codes. These identifiers are crucial for safety regulations, chemical tracking, and international trade compliance. Understanding their distinctions helps industries manage transportation, storage, and customs procedures effectively.

Comparison Table

Chemical Compound | UN Number | CAS Number | HS Code

n-Pentane | UN 1265 | CAS 109-66-0 | 2901.10.10
Isopentane | UN 1265 | CAS 78-78-4 | 2901.10.90
Cyclopentane | UN 1146 | CAS 287-92-3 | 2902.19.00

Keywords

n-Pentane, Isopentane, Cyclopentane, UN Number, CAS Number, HS Code, Chemical Identification, International Trade, Chemical Safety, Transportation Regulations

This structured comparison allows professionals in chemistry, logistics, and trade to better navigate classification and compliance requirements.

Comparison of UN Numbers, CAS Numbers, and HS Codes for n-Pentane, Isopentane, and Cyclopentane

This article provides a comprehensive comparison of three chemical compounds—n-Pentane, Isopentane, and Cyclopentane—based on their UN numbers, CAS numbers, and Harmonized System (HS) codes. These identifiers are crucial for safety regulations, chemical tracking, and international trade compliance. Understanding their distinctions helps industries manage transportation, storage, and customs procedures effectively.

Comparison Table

Chemical Compound | UN Number | CAS Number | HS Code

n-Pentane | UN 1265 | CAS 109-66-0 | 2901.10.10
Isopentane | UN 1265 | CAS 78-78-4 | 2901.10.90
Cyclopentane | UN 1146 | CAS 287-92-3 | 2902.19.00

Keywords

n-Pentane, Isopentane, Cyclopentane, UN Number, CAS Number, HS Code, Chemical Identification, International Trade, Chemical Safety, Transportation Regulations

This structured comparison allows professionals in chemistry, logistics, and trade to better navigate classification and compliance requirements.

Comparison of UN Numbers, CAS Numbers, and HS Codes for n-Pentane, Isopentane, and Cyclopentane

This article provides a comprehensive comparison of three chemical compounds—n-Pentane, Isopentane, and Cyclopentane—based on their UN numbers, CAS numbers, and Harmonized System (HS) codes. These identifiers are crucial for safety regulations, chemical tracking, and international trade compliance. Understanding their distinctions helps industries manage transportation, storage, and customs procedures effectively.

Comparison Table

Chemical Compound | UN Number | CAS Number | HS Code

n-Pentane | UN 1265 | CAS 109-66-0 | 2901.10.10
Isopentane | UN 1265 | CAS 78-78-4 | 2901.10.90
Cyclopentane | UN 1146 | CAS 287-92-3 | 2902.19.00

Keywords

n-Pentane, Isopentane, Cyclopentane, UN Number, CAS Number, HS Code, Chemical Identification, International Trade, Chemical Safety, Transportation Regulations

This structured comparison allows professionals in chemistry, logistics, and trade to better navigate classification and compliance requirements.

Plan Ahead: May Day Holidays Around the World May Impact Your Chemical Supply Chain

#Cyclopentane #Isopentane #nPentane #nHexane #nHeptane #SulfidingAgent #Pentane #Hexane #Heptane #MayDay #LabourDay #Logistics #ChemicalIndustry #SupplyChain

As Labour Day holidays vary across countries, timely coordination in logistics becomes essential. For global buyers of hydrocarbons like Pentane, Hexane, Heptane, and sulfiding agents, early planning ensures supply chain continuity during the early May slowdown.

With the global Labour Day (May Day) holidays approaching, it’s crucial for international buyers of chemical raw materials to prepare ahead—especially when sourcing from across regions with varying public holiday schedules.

Our product portfolio covers a wide range of high-purity hydrocarbons, including n-Pentane, Isopentane, Cyclopentane, n-Hexane, n-Heptane, and various sulfiding agents. These materials serve industries from polyurethane insulation, refrigeration, and adhesives to pharmaceuticals, refining, and electronics.

Key Holiday Timelines to Note:

• Russia: May 1–3, with many extending holidays until May 9 (Victory Day)

• Japan: Golden Week, typically May 1–7, with some businesses closed for up to 11 days

• France: May 1 only, strict labor laws prohibit most business activities

• Australia: Varies by state, with Queensland and Northern Territory observing May 6

• UK, Egypt, Pakistan, South Africa, Thailand, and others: May 1 as a national holiday

No May 1 Holidays:

Markets such as South Korea, Israel, the United States, Canada, and the Netherlands operate normally during early May but observe labor-related holidays at other times.

Meeting Indonesia’s Isopentane Demand: How Junyuan Petroleum Group Ensures Reliable Supply for Key Industries

Indonesia’s industrial growth and expanding refrigeration and foam manufacturing sectors have driven up the demand for high-purity Isopentane. As a critical solvent and blowing agent, Isopentane is widely used in the production of polyurethane (PU) foams, adhesives, and refrigerants. Junyuan Petroleum Group, as a leading Asian supplier, ensures stable supply through consistent production capacity, flexible export logistics, and tailored packaging options. With ISO tank and drum availability, the company is committed to supporting Indonesia’s growing chemical sector with high-quality and dependable solutions.

Isopentane, Indonesia, PU foam, blowing agent, solvent, Junyuan Petroleum Group, refrigerants, industrial chemicals, #Isopentane, #Pentane, #BlowingAgent, #IndonesiaChemicals, #PUfoam, #Adhesives

Indonesia’s Growing Demand for Isopentane

The Indonesian market has witnessed rapid growth in downstream sectors such as:

• Refrigeration manufacturing

• PU foam production for construction and appliances

• Solvent-based adhesives for packaging and footwear

Isopentane is a preferred choice in these sectors due to its low boiling point, fast evaporation, and excellent solvency properties.

Applications of Isopentane in Indonesia:

1. PU Foam Industry:

Used as a co-blowing agent with Cyclopentane in the production of rigid polyurethane foams, crucial for thermal insulation in refrigerators and freezers.

2. Adhesives and Sealants:

Serves as a solvent that enhances tackiness, controls viscosity, and speeds up drying—important for Indonesia’s footwear, automotive, and construction sectors.

3. Refrigerant Blends:

Incorporated into refrigerant formulations for optimized cooling performance and pressure balance.

How Junyuan Petroleum Group Ensures Stable Supply

1. Strong Production Capacity:

With dedicated facilities for high-purity Isopentane (95% and 99%), Junyuan Petroleum Group maintains a robust and scalable production line to meet bulk demands.

2. Export-Grade Packaging:

Products are shipped in ISO tanks for bulk users and drums for regional distributors and flexible volume clients.

3. Tailored Logistics for Indonesia:

• Close cooperation with regional shipping partners

• Stable lead times and proactive demand planning

• Multi-port shipping options to Jakarta, Surabaya, and other industrial hubs

4. Technical Support:

Our team provides full documentation support (COA, SDS, REACH, etc.) and technical guidance for blending or formulation compatibility.

Conclusion:

As Indonesia continues its industrial expansion, the demand for high-performance solvents and blowing agents like Isopentane will only rise. Junyuan Petroleum Group stands as a reliable partner, offering not only high-quality products but also consistent delivery and technical reliability to help Indonesian manufacturers grow confidently and sustainably.

Foam Expo is the continent's largest foam and adhesives supply chain event, offering three days of networking, innovation, and business growth.

Foam Expo 2025 North America – JUNE 24 – 26, 2025

“🌟 GET FOAM, NOT FOMO! 🌟 Foam Expo is the hub for innovation in foam technologies. We’re here showcasing our high-purity pentane solutions—essential for eco-friendly foam production and advanced thermal insulation. Let’s innovate together!

UNLOCK A YEAR OF BUSINESS OPPORTUNITIES

Foam Expo is the continent’s largest foam and adhesives supply chain event, offering three days of networking, innovation, and business growth. Explore new materials, technologies, and solutions, gain insights from conference sessions, and connect with key decision-makers at the expo. With foam and adhesives under one roof, your team can maximize opportunities and set the stage for success all year long.

Foam-Expo-2025

Price Stability of n-Hexane, 60% in China: Recent Trends and Market Insights

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

price changes on n-Pentane, Isopentane and Cyclopentane

Global Utilization of n-Pentane, Isopentane, and Cyclopentane: Insights from Junyuan Petroleum Group

Summary:

Junyuan Petroleum Group provides a comprehensive overview of the global use of n-Pentane, Isopentane, and Cyclopentane. These hydrocarbons are essential in various industries, including petrochemicals, refrigeration, and geothermal energy. The report highlights the unique properties and applications of each compound, emphasizing their importance in modern industrial processes.

Keywords:

  • n-Pentane
  • Isopentane
  • Cyclopentane
  • Junyuan Petroleum Group
  • Petrochemical industry
  • Refrigerants
  • Geothermal energy
  • Industrial solvents
  • Foam blowing agents

n-Pentane, isopentane, and cyclopentane are widely used in various countries around the world for different applications
. Here are some of the key countries where these compounds are commonly utilized:

United States: These compounds are used in the production of insulation materials, refrigerants, and as solvents in the petrochemical industry
.

Germany: Known for its advanced chemical industry, Germany uses these pentanes in similar applications, including foam blowing agents and refrigerants
.

China: With its rapidly growing industrial sector, China employs n-pentane, isopentane, and cyclopentane in various manufacturing processes, especially in the production of insulation materials
.

Japan: Japan uses these compounds in the manufacturing of refrigerants and insulation materials, as well as in the petrochemical industry
.

India: India’s expanding chemical industry utilizes these pentanes in foam production and as solvents
.

Brazil: Brazil employs these compounds in the petrochemical industry and for foam blowing applications
.

These countries are just a few examples, and the use of n-pentane, isopentane, and cyclopentane is widespread across many other regions due to their versatile applications in various industries
.

Is there a specific application or industry you’re interested in learning more about?