In EPS manufacturing, the blowing‑agent blend directly determines bead expansion behavior, density stability, and final block quality. One of the most common operational questions is whether Isopentane can be blended with n‑Pentane — and what ratio delivers the best results.

Short answer: Yes. Isopentane and n‑Pentane are frequently blended for EPS, typically in 80/20, 75/25, or 70/30 ratios depending on seasonal conditions and density targets.

Why EPS Producers Blend Isopentane and n‑Pentane

The blend works because the two hydrocarbons have complementary boiling points:

• Isopentane — lower boiling point Provides early vapor pressure and faster initial bead expansion. Ideal for warm climates or when rapid pre‑expansion is required.
• n‑Pentane — higher boiling point Offers controlled, sustained expansion, helping maintain bead integrity and preventing over‑expansion.

Together, they create a stable, predictable pre‑expansion window, giving EPS producers tighter control over:

• Bead density
• Cell structure
• Fusion quality
• Cycle time consistency

This is why most EPS plants adjust ratios seasonally:

• 80/20 blend — summer, high ambient temperatures
• 75/25 blend — balanced all‑season performance
• 70/30 blend — cooler seasons, tighter density control

Risks of Improper Blending

Incorrect ratios or poorly mixed pentane can cause serious production issues:

• Bead collapse from excessive vapor pressure
• Poor surface finish due to uneven cell formation
• Density inconsistency across batches
• Longer cycle times caused by unstable expansion curves

Even small ratio deviations can shift the expansion profile enough to affect block quality.

Why Many EPS Plants Prefer Pre‑Blended Pentane

To eliminate variability, many manufacturers rely on pre‑blended pentane mixes produced under controlled conditions. This ensures:

• Accurate ratio consistency
• Tight boiling‑range control
• Low oxygen and CO₂ content
• Uniform expansion behavior across batches

Our Pentane Solutions for EPS Producers

We supply high‑purity, pre‑blended pentane formulations engineered specifically for EPS applications:

• Standard blends: 80/20, 75/25, 70/30
• Custom ratios available
• ISO‑tank, IBC, or drum delivery
• Batch‑tested for boiling range, purity, and expansion performance

If your EPS line requires stable density, clean surface finish, and predictable expansion, our blends are designed to deliver consistent results.

• Isopentane CAS number and chemical properties
• Cyclopentane / Isopentane Blend (50–50%)
• High‑Efficiency, Low‑Emission Blowing Agents Are Transforming Modern Manufacturing — n‑Pentane Leads the Way
• n‑Pentane Market Insights and Buyer Opportunities
• Segmented Market Report: Pentane, Hexane, Heptane and Pentane Blends in Malaysia

Introduction

High‑purity Isopentane is a critical hydrocarbon used in EPS foam production, geothermal ORC systems, specialty refrigerant blends, and laboratory solvent applications. For procurement teams and R&D engineers, securing consistent quality and dependable bulk Isopentane supply is essential to maintaining operational stability. As demand for efficient blowing agents and low‑boiling hydrocarbons increases, partnering with a certified Isopentane manufacturer becomes a key strategic decision.

Core Data: Technical Specifications

Parameter	Specification
Chemical Name	Isopentane (2‑Methylbutane)
CAS Number	78‑78‑4
Molecular Formula	C5H12
Appearance	Colorless, volatile liquid
Purity Levels	Industrial grades: 95%, 98%; high‑purity grades available upon request

Chemical Properties & Industrial Benefits

Volatility and Boiling Point

With a boiling point near 27–28°C, Isopentane offers rapid vaporization and controlled expansion, making it highly effective as a blowing agent for EPS and PU foam systems. This ensures uniform cell structure, improved insulation performance, and predictable processing behavior.

Low Density and Solvency

Its low density and favorable solvency characteristics support applications in laboratory extraction, hydrocarbon blending, and refrigerant formulation. These properties provide buyers with stable evaporation profiles and compatibility across diverse industrial processes.

Thermal Stability

Isopentane’s reliable thermal behavior under controlled conditions makes it suitable for geothermal ORC cycles, where consistent vaporization is essential for efficient energy conversion.

Procurement & Logistics Safety

International buyers sourcing high‑purity Isopentane must ensure compliance with global transport and safety regulations. Due to its flammability and volatility, Isopentane is commonly shipped in:

• ISO tanks for large‑volume industrial consumption
• Steel drums for mid‑size or batch requirements
• Secure, UN/DOT‑compliant containers for safe handling and transit

Proper grounding, ventilation, and temperature‑controlled storage are required to maintain product integrity throughout transportation and on‑site usage.

Conclusion & B2B Call‑to‑Action

For procurement managers and technical teams evaluating Isopentane CAS 78‑78‑4 sourcing options, working with a certified supplier ensures consistent purity, safe logistics, and tailored blending solutions. Contact the sales team to request a quotation, obtain TDS/MSDS documentation, or discuss customized purity specifications aligned with your production requirements.

• High-Purity Isopentane & Pentane Series — Case Study in Fine Chemical Applications
• High‑Efficiency, Low‑Emission Blowing Agents Are Transforming Modern Manufacturing — n‑Pentane Leads the Way
• Isopentane
• What Are the Synonyms and Alternative Names of Isopentane (2‑Methylbutane)?
• Where to Buy n‑Heptane? High‑Purity Bulk Supply from a Trusted Manufacturer

Why You’re Searching for Today’s Isopentane Price

Global buyers are actively checking Isopentane CFR / FOB pricing because the market is shifting faster than usual. Crude oil volatility, regional supply‑demand changes, and fluctuating freight conditions mean any fixed online price is outdated the moment it’s posted. If you need a reliable number, only a live quotation reflects the real market.

CFR vs FOB: How Each Impacts Your Final Cost

FOB (Free on Board)

• You handle freight, insurance, and risk once the cargo is loaded.
• Ideal for buyers with strong logistics networks or multi‑port consolidation strategies.

CFR (Cost and Freight)

• Supplier manages freight to your destination port.
• Suitable for buyers who want predictable landed cost and simplified logistics.

Your final cost depends on:

• Vessel availability
• Seasonal freight rates
• Port congestion
• Hazardous cargo handling fees
• Regional demand for C5 hydrocarbons

This is why static online prices are misleading—they ignore real‑time freight and market dynamics.

Why Industrial Buyers Choose Us for Isopentane Supply

High Purity Grades (95%–99%)

Consistent quality for PU foam, refrigerants, lab solvents, and specialty chemical applications.

Stable Supply Chain

Long‑term production partnerships ensure dependable monthly and quarterly allocations.

Flexible Shipping Options

ISO tanks, drums, FCL/LCL, and multi‑grade shipments to match your logistics strategy.

Strict Quality Control

COA, MSDS, and batch‑level QC aligned with international standards.

Global CFR / FOB Coverage

Reliable delivery to Asia, Middle East, Europe, Africa, and the Americas.

Request a Live Quote — Get Today’s Actual CFR / FOB Price

Because Isopentane pricing changes quickly, your exact cost depends on:

• Destination port
• Required purity
• Packaging type
• Shipment volume
• Preferred Incoterm (CFR or FOB)

Call to Action

Request a Live Quote or contact our sourcing team with your destination port to receive an accurate CFR / FOB price tailored to your shipment.

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Understanding Isopentane Synonyms for Global Procurement and Documentation

Systematic Name (IUPAC)

• 2‑Methylbutane

Common Names

• Isopentane
• Methylbutane
• iso‑Pentane
• iso‑C5H12

Other Synonyms

• Ethyldimethylmethane
• Isoamyl hydride
• 1,1‑Dimethylpropane
• 1,1,2‑Trimethylethane
• Exxsol Isopentane S (trade name)

Related Isomers

• n‑Pentane
• Neopentane (2,2‑Dimethylpropane)

Technical Data

Property	Value
CAS Number	78‑78‑4
Formula	C₅H₁₂
Boiling Point	~27.8 °C
Appearance	Colorless liquid

Why Synonyms Matter in Trade

• Regulatory compliance: Different agencies may list Isopentane under varying synonyms.
• Buyer communication: Procurement managers often recognize “iso‑Pentane” more readily than “2‑Methylbutane.”

• n-Heptane MSDS | Material Safety Data Sheet
• Cyclopentane / Isopentane Blend (50–50%)
• High-Purity Isopentane & Pentane Series — Case Study in Fine Chemical Applications
• Junyuan Petroleum Group’s October Safety Excellence Commendation Meeting
• Polymer-Grade n-Hexane with Consistent Quality

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.

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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.

Flat Pricing Reflects Balanced Demand and Supply in China’s Isopentane Market

As of April 29, 2025, the price of Isopentane in China remains unchanged at CNY 9,500/MT, showing no fluctuation over the past 12 days. With the current exchange rate of 1 USD ≈ 7.327 CNY, the equivalent international price stands at approximately USD 1,296/MT. This price stability reflects a steady market, with global demand sustained across refrigeration, insulation, and adhesives sectors. Now is a strategic time for procurement professionals to evaluate inventory planning.

Isopentane, Isopentane price, Isopentane supplier, chemical raw material, blowing agent, refrigerants, solvents, #Pentane, #Pentanes, chemical procurement, global sourcing

Current Price Snapshot (as of 2025-04-29):

• CNY: 9,500/MT

• USD: Approx. 1,296/MT (based on 1 USD ≈ 7.327 CNY)

• Change: 0.00% over the past 12 days

Applications of Isopentane:

Isopentane (2-methylbutane) is a versatile C5 hydrocarbon with multiple industrial applications:

1. Refrigeration Industry

• Used as a blowing agent in polyurethane (PU) and polyisocyanurate (PIR) foams

• Key component in insulation panels for refrigerators and cold chain systems

2. Thermal Insulation Materials

• Enables the production of rigid foam insulation boards

• Used widely in energy-efficient construction materials

3. Adhesive Industry

• Functions as a solvent in solvent-based adhesives

• Enhances resin solubility, drying speed, viscosity control, and flow

4. Laboratory Use

• Occasionally used as a non-polar solvent or reagent in analytical chemistry

Key Markets & Demand Regions:

• China: Largest production and consumption base, particularly for PU foams

• India: Strong demand in adhesives and insulation manufacturing

• Southeast Asia: Growth driven by infrastructure and cold storage

• Europe: Increasing use of Isopentane as an eco-friendly replacement for HFCs

• Middle East & Latin America: Steady demand from construction and refrigeration sectors

Market Outlook:

With Isopentane prices holding steady at CNY 9,500/MT or approximately USD 1,296/MT, this may be a favorable time for global buyers to secure volumes before seasonal demand pushes prices upward. As energy efficiency and environmental standards tighten globally, demand for non-fluorinated blowing agents like Isopentane is expected to rise.

Abstract

The global Isopentane market has experienced stable growth in recent years, with increasing demand across refrigeration, chemical manufacturing, and solvent applications. China, as a major producer and consumer, plays a critical role in the industry’s expansion. This report provides a comprehensive analysis of the Isopentane market, covering its definition, applications, market trends, competitive landscape, and future growth potential. We also explore key factors such as supply chain dynamics, technological advancements, regulatory frameworks, and investment opportunities.

Keywords:

Isopentane market, Isopentane industry, Isopentane applications, Isopentane price trends, China Isopentane market, global Isopentane industry, chemical solvents, refrigerants, hydrocarbon production, market analysis

1. Industry Overview

1.1 Definition and Characteristics

Isopentane (C₅H₁₂) is a colorless, odorless hydrocarbon commonly used in industrial applications. It has a boiling point of -9.5°C and a melting point of -129.8°C, making it highly volatile. Due to its low boiling point and high heat capacity, Isopentane is widely used as a refrigerant and in chemical processing. It is a saturated hydrocarbon, resistant to addition reactions, but can undergo catalytic cracking and hydrogenation to produce ethylene, propylene, and other valuable compounds.

1.2 Chemical Structure and Physical Properties

• Molecular structure: Composed of five carbon and twelve hydrogen atoms in a tetrahedral configuration

• Solubility: Insoluble in water but highly soluble in organic solvents

• Reactivity: Can be processed into higher-value hydrocarbons through advanced refining techniques

1.3 Key Applications

• Refrigeration Industry: Used as a refrigerant in air conditioners and refrigerators

• Chemical Industry: Serves as a raw material for ethylene, propylene, and isoprene production

• Solvent Industry: Widely used in pharmaceuticals, coatings, and plastics manufacturing

2. Market Analysis

2.1 Global Market Overview

The global Isopentane market is experiencing consistent growth, driven by demand from key industries such as refrigeration, chemicals, and energy. By 2025, the market size is expected to surpass $1.199 billion, with a compound annual growth rate (CAGR) of approximately 8.7%. The United States, Europe, and Asia remain the largest consumers, with China playing a pivotal role in global supply and demand.

2.2 Leading Producing and Consuming Countries

• Major Producers: United States, Russia, and China

• Top Consumers: United States, China, Japan, and South Korea

• Trade Trends: The U.S., Russia, and China dominate global exports, while Japan and South Korea heavily rely on imports

2.3 Isopentane Price Trends

• Prices fluctuate based on global crude oil trends, supply-demand balance, and production costs

• Seasonal demand variations impact pricing, with peaks in winter and spring

• Future pricing is expected to remain relatively stable with mild upward pressure due to rising industrial demand

2.4 China Market Growth

• In 2023, China’s Isopentane market size reached approximately $2.5 billion, reflecting a 12% year-over-year growth

• By 2025, the market is projected to hit $3.1 billion, with an 8% CAGR

• Long-term growth remains strong, with the market forecasted to surpass $6 billion by 2030, growing at 5.8% CAGR

3. Industry Supply Chain Analysis

3.1 Upstream: Raw Material Market

• Key Feedstocks: Crude oil and natural gas derivatives

• Price Sensitivity: Subject to fluctuations in global energy markets

• Environmental Regulations: Stricter policies drive the need for cleaner production technologies

3.2 Midstream: Production & Processing

• Key Production Methods: Catalytic cracking and hydrogenation

• Process Optimization: Improved conversion rates and product purity through advanced technology

• Industry Focus: Cost efficiency and environmental sustainability

3.3 Downstream: Applications & End Users

• Refrigerants: Growing demand for environmentally friendly refrigerants

• Chemical Feedstocks: Expansion in ethylene and propylene production

• Industrial Solvents: Increased usage in pharmaceuticals, coatings, and polymers

4. Technological Advancements

4.1 Innovations in Isopentane Production

• Enhanced catalytic cracking and hydrogenation methods

• Improved purification technologies for higher efficiency and reduced waste

• Development of low-emission processing techniques to comply with environmental regulations

4.2 Advances in Isopentane Applications

• Eco-friendly refrigerants replacing traditional hydrofluorocarbons (HFCs)

• Emerging bio-based solvents with reduced toxicity

• Expansion in advanced polymer manufacturing and energy-efficient insulation materials

5. Regulatory and Policy Landscape

5.1 Global & China-Specific Regulations

• Stronger environmental policies targeting hydrocarbon emissions

• Enhanced safety regulations for handling volatile chemicals

• Government incentives for green energy and chemical sustainability

5.2 Future Policy Trends

• Rising demand for low-carbon alternatives

• Stricter safety standards for chemical storage and transportation

• Supportive policies for energy-efficient refrigerants and industrial solvents

6. Competitive Landscape

6.1 Key Market Players

• ExxonMobil (USA)

• China National Petroleum Corporation (CNPC)

• Lukoil (Russia)

• Chevron Phillips Chemical (USA)

6.2 Market Share & Competitive Strategies

• Innovation and R&D investment in cleaner production methods

• Market expansion into emerging economies

• Strategic partnerships with downstream industries

7. Industry Risks and Challenges

7.1 Market Risks

• Oil price volatility impacting raw material costs

• Regulatory uncertainties affecting production methods

• Macroeconomic downturns influencing industrial demand

7.2 Technological Risks

• Challenges in catalyst development for refining processes

• Complexity in process optimization for higher efficiency

• Rapid technological evolution requiring continuous investment

7.3 Policy Risks

• Stricter environmental laws increasing compliance costs

• Trade policies and tariffs affecting global supply chains

• Substitution threats from alternative eco-friendly chemicals

8. Future Growth and Investment Opportunities

8.1 Industry Growth Projections

• Stable market expansion expected through 2025 and beyond

• Rising adoption of eco-friendly Isopentane applications

• Growth in Asia-Pacific and emerging economies

8.2 Investment Recommendations

• Focus on sustainable Isopentane production

• Explore new applications in green energy and insulation

• Strengthen global supply chain resilience

9. Conclusion and Strategic Recommendations

By aligning with market trends, technological developments, and regulatory shifts, stakeholders can maximize opportunities and ensure long-term growth in the Isopentane industry.

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.

Global geothermal power generation: the future star of clean energy

Summary:
With the continuous growth of global demand for clean energy, geothermal power generation, as an environmentally friendly and renewable form of energy, is gradually receiving attention from around the world. This article provides an overview of the development history, global layout, and several major thermal systems of geothermal power generation. Special mention was made of Italy as the world’s earliest country to utilize geothermal power generation, as well as China’s progress in the field of geothermal power generation. In addition, it also introduced the important raw materials provided by Junyuan Oil Group for global geothermal power generation projects.

Keywords: geothermal power generation; Clean energy; Thermal system; Raw material supply

Main text:

In the context of global energy structure transformation, geothermal power generation has become a shining star in the clean energy field with its unique advantages. Since Italy built the world’s first geothermal experimental power plant in 1904, geothermal power generation technology has gone through more than a hundred years of development. Nowadays, 32 countries around the world have established geothermal power plants with a total installed capacity of over 8 million kilowatts, making them an important choice to replace traditional fossil fuels.

In the global layout of geothermal power generation, countries such as the United States, Italy, Japan, and New Zealand are in a leading position. Especially in the United States, its installed capacity of geothermal power generation ranks first in the world, with Unit 11 of the Gaisse geothermal power station having a single unit capacity of up to 106000 kilowatts, demonstrating the enormous potential of geothermal power generation.

China started research in the field of geothermal power generation relatively late, but significant progress has also been made in recent years. Since the late 1960s, China has successively built several geothermal test power stations, of which the Yangbajing geothermal power station in Xizang, as the largest geothermal power station in China, has been operating safely and stably. The construction and operation of these power stations have accumulated valuable experience for the development of geothermal power generation technology in China.

The thermal system of geothermal power generation mainly includes geothermal steam power generation thermal system, expansion method geothermal water power generation thermal system, and intermediate medium method geothermal hydropower thermal system. These systems are suitable for geothermal fields in different temperature ranges, providing technical support for achieving the full utilization of geothermal resources.

It is worth mentioning that Junyuan Petroleum Group, as an important participant in global geothermal power projects, provides key raw materials such as isopentane and isobutane for global geothermal power projects. These raw materials play an important role in the thermal system of geothermal power generation and are one of the key factors to ensure the efficient operation of the geothermal power generation system.

Looking ahead to the future, with the continuous growth of global demand for clean energy, geothermal power generation will usher in a broader development space. Especially in many developing countries, geothermal resources are particularly abundant and have enormous development potential. It can be foreseen that in the near future, geothermal power generation will become one of the important pillars in the global clean energy field.

Geothermal power plants are facilities that use the heat from the earth to generate electricity. Geothermal power plants can be classified into three types: dry steam, flash steam, and binary cycle.

Dry steam power plants use steam from underground reservoirs to drive turbines directly. Flash steam power plants use high-pressure hot water from underground reservoirs to produce steam by lowering the pressure. Binary cycle power plants use low-temperature hot water from underground reservoirs to heat another fluid with a lower boiling point, such as isopentane, to produce vapor that drives turbines.

Isopentane is a type of hydrocarbon that has a branched chain of five carbon atoms. Isopentane has a low boiling point (28°C) and a high vapor pressure (0.7 MPa at 25°C). This means that isopentane can easily vaporize and expand when heated by the geothermal water, creating a high-pressure gas that can spin the turbines efficiently.

The advantages of using isopentane in geothermal power plants are:

• Isopentane has a higher thermal efficiency than water, meaning that it can produce more electricity from the same amount of heat.
• Isopentane has a lower freezing point than water, meaning that it can prevent the pipes and equipment from freezing in cold climates.
• Isopentane is non-corrosive and non-toxic, meaning that it can reduce the environmental impact and the maintenance cost of the power plants.

Isopentane is widely used in binary cycle geothermal power plants, especially in low-temperature geothermal fields, such as in Iceland, China, and the United States. Isopentane can help to utilize the geothermal energy more effectively and sustainably, contributing to a clean and renewable energy future. 