Frequently Asked Questions (FAQ)

Q: Who is the supplier of n-Pentane?
A: Junyuan Petroleum Group is a leading manufacturer of normal Pentane (n-Pentane). As part of our pentane range of aliphatic hydrocarbon solvents, we offer pure n-Pentane, Isopentane, Cyclopentane, and various blends of these components.

Q: What is the purity of the n-Pentane offered?
A: The n-Pentane we supply has a purity of 99%+.

Q: What are the packaging details for n-Pentane?
A: Our n-Pentane is available in 200 L Drums.

Q: What grade standard is the n-Pentane?
A: The n-Pentane is of Industrial Grade.

Q: What is the CAS number of n-Pentane?
A: The CAS number for n-Pentane is 109-66-0.

Q: Where can I learn more about n-Pentane?
A: Discover more about our 99+% extra pure n-Pentane and our commitment to scientific innovation with an extensive product range and exceptional services powered by our dedicated team.

Sourcing DMDS (Dimethyl Disulfide): Key Knowledge and Top Concerns of International Buyers

Excerpt

Buying DMDS (Dimethyl Disulfide) requires a deep understanding of its chemical properties, applications, market dynamics, and buyer concerns. This article explores 100 essential aspects of DMDS sales, including product knowledge, market trends, buyer priorities, and regulatory compliance. Whether you’re a supplier or a buyer, this guide provides valuable insights to navigate the global DMDS market effectively.

Dimethyl Disulfide (DMDS)

Introduction

Dimethyl Disulfide (DMDS) is a critical chemical compound widely used in industries such as petroleum refining, agrochemicals, pharmaceuticals, and rubber manufacturing. As a supplier, understanding the intricacies of DMDS and addressing the concerns of international buyers is key to succeeding in this competitive market. This article outlines 100 essential points to help you master DMDS sales and meet the expectations of global customers.

1. Product Knowledge

To sell DMDS effectively, you must have a thorough understanding of its properties and characteristics:

• Chemical Properties: Molecular formula (C₂H₆S₂), boiling point, melting point, and density.
• Physical Properties: Appearance (colorless to pale yellow liquid), pungent odor, and solubility.
• Purity Levels: Different grades of DMDS and their specific applications.
• Storage and Handling: Optimal storage conditions to maintain stability.
• Safety Data: Material Safety Data Sheet (MSDS) and toxicity information.

2. Applications of DMDS

DMDS is versatile and used in various industries:

• Petroleum Refining: As a sulfiding agent in hydrodesulfurization processes.
• Agrochemicals: As an intermediate in pesticide production.
• Pharmaceuticals: In the synthesis of certain drugs.
• Rubber Industry: As a vulcanizing agent.

3. Market Dynamics

Understanding the global DMDS market is crucial:

• Demand Trends: Regional demand patterns and growth drivers.
• Competitive Landscape: Key players and their market share.
• Price Fluctuations: Historical pricing and future projections.
• Supply Chain: Major suppliers and distribution networks.

4. Top Concerns of International Buyers

International buyers often prioritize the following when purchasing DMDS:

1. Product Quality: Compliance with international standards.
2. Pricing: Competitive pricing and discounts.
3. Delivery Time: Timely and reliable delivery.
4. Packaging: Safe and secure packaging options.
5. Certifications: ISO, REACH, and other relevant certifications.
6. Technical Support: Availability of technical assistance.
7. Customization: Ability to meet specific buyer requirements.
8. Environmental Impact: Eco-friendly production and disposal methods.

5. Regulatory Compliance

Navigating international regulations is essential for DMDS sales:

• Global Standards: Compliance with REACH, OSHA, and other regulations.
• Transportation Rules: Adherence to IMDG, IATA, and ADR guidelines.
• Labeling Requirements: Proper labeling for hazardous materials.

6. Tips for Successful DMDS Sales

• Build strong relationships with buyers through transparent communication.
• Offer samples to demonstrate product quality.
• Provide detailed documentation, including MSDS and certificates of analysis.
• Stay updated on industry trends and technological advancements.

Conclusion

Sourcing DMDS requires a combination of technical knowledge, market awareness, and a customer-centric approach. By addressing the key concerns of international buyers and staying compliant with global regulations, suppliers can establish themselves as trusted partners in the DMDS market.

Dimethyl Disulfide (DMDS)

1. DMDS
2. Dimethyl Disulfide
3. DMDS applications
4. DMDS market trends
5. DMDS chemical properties
6. DMDS safety data
7. DMDS suppliers
8. DMDS buyers
9. DMDS pricing
10. DMDS certifications
11. DMDS regulations
12. DMDS storage
13. DMDS transportation
14. DMDS in petroleum refining
15. DMDS in agrochemicals
16. DMDS in pharmaceuticals
17. DMDS in rubber industry
18. International DMDS sales
19. DMDS quality standards
20. DMDS technical support

This article aims to provide comprehensive information on purchasing DMDS, catering to the needs of both suppliers and buyers, thereby serving as an invaluable resource for all stakeholders in the DMDS market.

DTBPS: The Revolutionary Substitute for Dimethyl Disulfide

In the contemporary world, the chemical industry holds a pivotal role in our daily lives, furnishing us with a myriad of products we utilize every day, ranging from medications to plastics, and beyond. One of the most crucial chemicals employed in this industry is dimethyl disulfide (DMDS), serving as a sulfiding agent in diverse applications. Nevertheless, DMDS poses hazards necessitating special handling and storage measures, along with an unpleasant odor that complicates its use. Fortunately, there exists a safer and more practical alternative: di-tert-butyl polysulfide (DTBPS).

DTBPS, alternatively known as di-tert-butyl polysulfide, is a sulfur-containing organic compound that is broadly utilized as a substitute for DMDS across various industrial sectors. It is manufactured by Junyuan Petroleum Group, a prominent producer and supplier of specialty chemicals headquartered in China. With years of experience in producing DTBPS, Junyuan Petroleum Group has garnered a reputation for quality and reliability.

A key advantage of DTBPS over DMDS is its superior safety profile. As a non-hazardous substance, DTBPS necessitates no special handling or storage procedures. Furthermore, its odorless nature greatly facilitates ease of use. Consequently, DTBPS emerges as a safer and more convenient option compared to DMDS in numerous industrial applications.

Another notable advantage of DTBPS lies in its exceptional effectiveness. It serves as a highly efficient sulfiding agent suitable for a diverse range of applications. In the petrochemical industry, DTBPS excels in sulfiding catalysts and other process equipment. Additionally, it is utilized in the rubber manufacturing process as a vulcanizing agent.

DTBPS presents itself as a highly cost-effective alternative to DMDS. Although its initial investment may slightly exceed that of DMDS, the reduced handling and storage costs associated with DTBPS result in lower long-term expenses. Furthermore, DTBPS boasts greater stability compared to DMDS, translating to an extended shelf life and diminished need for frequent replacement.

In summary, as the global industry leader, we assert that DTBPS stands as a superior, safe, efficient, and economical alternative to DMDS in numerous industrial applications. Produced by Junyuan Petroleum Group, a preeminent manufacturer and supplier of specialty chemicals headquartered in China, DTBPS offers unparalleled reliability and convenience. For those seeking a trustworthy replacement for DMDS, DTBPS is undeniably a prime consideration.

February 4, 2025

As of February 4, 2025, the EXW (Ex Works) price of n-Pentane in China has stabilized at $1,089 per metric ton, marking a critical juncture for industries reliant on this versatile solvent. This price point reflects a complex interplay of supply chain adjustments, regional demand fluctuations, and broader macroeconomic pressures shaping China’s chemical sector. Here’s a deep dive into the factors influencing this trend and what it signals for stakeholders.

Market Context: Balancing Supply and Demand

The $1,089/MT EXW price underscores a moderate tightening in China’s n-Pentane market compared to Q4 2024 levels. While the figure represents a 3.2% increase month-over-month, it aligns with seasonal patterns as manufacturers ramp up inventories ahead of spring production cycles. Key sectors such as pharmaceuticals, aerosols, and polymer foam manufacturing continue to drive steady demand, particularly in industrial hubs like Zhejiang and Guangdong.

However, the price stability masks underlying tensions. Domestic refiners have faced rising feedstock costs, with Brent crude hovering near $82/barrel, squeezing margins for petrochemical derivatives. Simultaneously, logistics bottlenecks at major eastern ports, exacerbated by winter weather disruptions, have temporarily constrained supply chains, adding upward pressure on localized pricing.

Regional Dynamics: A Tale of Two Markets

China’s vast geography and uneven industrial activity have led to divergent regional pricing trends:

• Eastern China (Shanghai, Jiangsu): Prices remain elevated at $1,120–1,150/MT due to high demand from EV battery component manufacturers and limited short-term inventory.
• Northern China (Shandong, Hebei): A slight dip to $1,065–1,080/MT reflects increased imports from Southeast Asian suppliers and competitive pricing strategies by local producers.

This regional disparity highlights opportunities for buyers to negotiate favorable terms by leveraging cross-province arbitrage—a tactic increasingly adopted by mid-sized chemical distributors.

Policy and Sustainability: The Silent Disruptors

China’s latest VOC (Volatile Organic Compound) emission regulations, effective January 2025, have subtly reshaped n-Pentane’s demand landscape. While the solvent remains irreplaceable in precision applications like pharmaceutical extraction, some manufacturers are cautiously testing bio-based alternatives to comply with stricter environmental standards. This transition, though gradual, could introduce long-term demand volatility, particularly in consumer-facing industries such as cosmetics and adhesives.

Strategic Outlook for Q1 2025

1. Buyers: Locking in mid-term contracts now could hedge against potential price surges as refineries undergo maintenance in March.
2. Suppliers: Optimize logistics to mitigate eastern region bottlenecks; explore partnerships with Southeast Asian exporters to balance costs.
3. Innovators: Accelerate R&D in hybrid solvent formulations to align with China’s green chemistry goals without sacrificing performance.

Why This Matters

At $1,089/MT, n-Pentane’s pricing signals both resilience and vulnerability in China’s chemical ecosystem. For global stakeholders, understanding these nuances is key to navigating a market where policy, geopolitics, and sustainability increasingly dictate commercial success.

Let’s discuss—how is your organization adapting to these shifts? Share your insights below or connect directly for a tailored analysis of your supply chain strategy.

ChemicalIndustry #NPentane #SupplyChain #ChinaMarket #EnergyTransition

Data sources: National Bureau of Statistics of China, ICIS Chemical Pricing Reports, and industry analyst estimates.

For real-time market updates or custom reports, visit https://junyuanpetroleumgroup.com

n-Pentane in drums is available starting October! 🚚 Due to high summer temperatures, shipments are paused from May 1st to October 1st. Contact us now and start stocking up! 
#nPentane #ChemicalSupply #IndustrialSolutions #Pentanes

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?

In recent months, the price of n-Pentane in China has seen a significant decline. This downward trend can be attributed to several key factors:

1. Low Demand: The primary driver behind the falling prices is the reduced demand from downstream industries, particularly the petrochemical sector. The post-festival season saw a decrease in procurement activities, leading to an overall drop in demand.
2. Oversupply: The market has been experiencing an oversupply of n-Pentane, which has further pushed prices down. This oversupply is partly due to reduced production activities as enterprises adopt a cautious approach to ease inventory pressure.
3. Global Economic Factors: Fluctuations in global oil prices, influenced by geopolitical tensions and economic policies, have also played a role in the volatility of n-Pentane prices. These factors have led to weaker cost support from feedstock naphtha, contributing to the downward pressure on prices.
4. Logistical Challenges: Issues in logistics, including the Red Sea crisis and adverse weather conditions affecting soybean imports, have compounded the challenges faced by the n-Pentane market. These disruptions have further reduced the need for n-Pentane in various industrial processes.
5. Market Sentiment: The overall market sentiment remains negative, with buyers hesitant to place new orders amid ongoing disruptions and low demand. This cautious approach has led to a significant decline in procurement activities.

Despite these challenges, there is optimism for a potential recovery in the future, driven by smooth logistics and increased purchases during upcoming festival seasons. However, the current market conditions continue to exert downward pressure on n-Pentane prices in China.

With the increasing global attention to environmental issues, the demand for environmentally friendly products in the Asia-Pacific region has also shown a rapid growth trend. Against this background, Junyuan Petroleum Group has successfully taken a leading position in the Asia-Pacific market with its environmentally friendly cyclopentane products.
As an environmentally friendly compound, the market demand for cyclopentane in the Asia-Pacific region continues to rise. It is mainly used as a foaming agent in home appliances such as refrigerators and freezers to replace substances such as CFC-11 that are harmful to the environment. In addition, cyclopentane is also widely used in the manufacture of products such as synthetic rubber, resins and rubber adhesives, and has broad application prospects.
The economic growth and improved living standards in the Asia-Pacific region have driven the growth of demand for products such as refrigeration and air-conditioning systems. The demand for environmentally friendly compounds such as cyclopentane has also increased. Junyuan Petroleum Group has successfully met this market demand with its advantages in product quality, independent innovation and market cooperation.

Junyuan Petroleum Group’s product line covers a variety of petrochemical products, including cyclopentane and other alkane series. Its product quality is stable and meets international standards, and has won wide market recognition. The group focuses on independent innovation and scientific research investment, uses new technologies to transform traditional industries, and achieves rapid development. At the same time, Junyuan Petroleum Group has established cooperative relations with many well-known domestic and foreign companies, and its products are sold at home and abroad, providing strong support for its leading position in the market.
Industry experts said that with the continuous improvement of environmental awareness and the continuous advancement of environmental protection policies, environmentally friendly products will become the mainstream of the future market. Junyuan Petroleum Group has great development potential in the Asia-Pacific market with its environmentally friendly cyclopentane products. In the future, the Group will continue to increase its R&D investment and market expansion efforts, promote the application and development of environmentally friendly products, and make greater contributions to the sustainable development of the Asia-Pacific region.

Di-tert-butyl Polysulfide (DTBPS)

DTBPS

Di-tert-butyl Polysulfide (DTBPS) is a specialized chemical compound primarily composed of tetra and penta sulfides. Unlike distilled materials, DTBPS boasts the highest sulfur content among manufactured polysulfides. It plays a crucial role in hydrotreating catalysts used in various industrial processes.

Chemical & Physical Properties

Properties and Applications

• Composition: DTBPS is a blend primarily composed of tetra and penta sulfides.
• Sulfur Content: It contains the highest sulfur content among manufactured polysulfides.
• Usage: DTBPS finds application in the metalworking lubricant markets where it contributes to improving lubricity, reducing friction, and enhancing machining processes.

Other Polysulfides

In addition to DTBPS, other available polysulfides include:

1. TNPS 537
2. TDPS 532
3. TDPS 320

While DTBPS is not directly related to Disinfection Byproducts (DBPs), it serves as a critical component in industrial catalysts. If you have any further questions or need more information, feel free to contact us! 🌟

Abstract:

Pipeline insulation is a technique that aims to reduce the heat loss and prevent the freezing of fluids in pipelines. Pipeline insulation is widely used in various industries, such as oil and gas, chemical, power, and water supply. Pipeline insulation can improve the energy efficiency, safety, and reliability of the pipeline system.

One of the main materials used for pipeline insulation is polyurethane foam (PUF), which is a type of thermosetting polymer that has excellent thermal and mechanical properties. PUF is formed by the reaction of polyol and isocyanate, which are mixed with a blowing agent that creates bubbles in the foam. The blowing agent determines the density, thermal conductivity, and environmental impact of the PUF.

Cyclopentane is a hydrocarbon that has been widely used as a blowing agent for PUF in recent years. Cyclopentane has many advantages over other blowing agents, such as low ozone depletion potential (ODP), low global warming potential (GWP), high solubility in polyol, and low cost. Cyclopentane can also enhance the flame retardancy and aging resistance of the PUF.

In this article, we will introduce the principle and process of pipeline insulation, the properties and advantages of cyclopentane as a blowing agent, and the challenges and solutions of using cyclopentane in pipeline insulation. We will also review the current status and future prospects of cyclopentane in pipeline insulation.

Keywords: pipeline insulation, polyurethane foam, cyclopentane, blowing agent, energy efficiency