acetylene

Introduction to Acetylene: Properties, Production, and Industrial Significance

Acetylene (C₂H₂) is the simplest alkyne hydrocarbon, characterized by a triple bond between two carbon atoms. It is a colorless, highly flammable gas with a distinct garlic-like odor in its commercial form. Acetylene is primarily produced through the chemical reaction of calcium carbide with water or via the thermal cracking of hydrocarbons (such as natural gas or naphtha). Its unique property of producing an extremely hot flame (up to 3,300 °C) when burned in pure oxygen makes it indispensable for oxy-acetylene welding, cutting, and brazing in the metal fabrication industry. Beyond welding, acetylene serves as a critical building block in organic synthesis, used to manufacture a wide range of chemicals including vinyl chloride monomer (VCM) for PVC, acrylic acid, 1,4-butanediol, and various solvents. The global acetylene market is driven by demand from the construction, automotive, and chemical manufacturing sectors. Due to its high reactivity and instability under pressure, acetylene is typically dissolved in acetone or dimethylformamide (DMF) and stored in porous cylinders. This article provides a comprehensive, data-driven overview of the global acetylene supply chain, key manufacturers, market trends, and procurement strategies.

Top 10 Global Acetylene Suppliers and Manufacturers

The global acetylene market is fragmented, with key players operating across North America, Europe, and Asia. The following list ranks the top 10 global suppliers based on production capacity, revenue, and market presence as of 2025-2026.

Rank	Company Name	Headquarters	Estimated Annual Production Capacity (Tons)	Key Products/Markets
1	BASF SE	Germany	250,000+	On-site supply, chemical intermediates (VCM, acrylic acid)
2	LyondellBasell Industries	Netherlands	200,000+	Oxy-acetylene welding, chemical synthesis
3	Sinopec Group (China Petroleum & Chemical Corporation)	China	180,000+	Integrated petrochemical, calcium carbide route
4	Air Liquide S.A.	France	150,000+	Industrial gases, dissolved acetylene cylinders
5	Linde plc	United Kingdom	140,000+	On-site production, welding gases
6	Messer Group GmbH	Germany	90,000+	Specialty gases, cutting and welding
7	Gulf Cryo	Kuwait	60,000+	Industrial gases, Middle East distribution
8	Taiyo Nippon Sanso Corporation	Japan	55,000+	High-purity acetylene for electronics
9	Praxair (now part of Linde)	USA	50,000+	Bulk supply, cylinder filling
10	Shandong Shouguang Juneng Group	China	45,000+	Calcium carbide based acetylene, chemical derivatives

Top 10 Acetylene Suppliers and Manufacturers in China

China is the world’s largest producer and consumer of acetylene, primarily due to its abundant coal and calcium carbide resources. The following table lists the top 10 Chinese manufacturers based on production scale and market influence.

Rank	Company Name	Location (Province/City)	Production Capacity (Tons/Year)	Primary Application
1	Sinopec Group (subsidiaries)	Beijing / Multiple	180,000+	Chemical intermediates, PVC
2	Shandong Shouguang Juneng Group	Shandong	45,000+	Calcium carbide, welding
3	Inner Mongolia Yili Chemical Co., Ltd.	Inner Mongolia	40,000+	Calcium carbide route, BDO
4	Ningxia Yinglite Chemicals Co., Ltd.	Ningxia	35,000+	Calcium carbide, acetylene black
5	Xinjiang Zhongtai Chemical Co., Ltd.	Xinjiang	30,000+	PVC production (VCM)
6	Sichuan Tianyi Co., Ltd.	Sichuan	25,000+	Dissolved acetylene, welding
7	Jiangxi Hongda Chemical Co., Ltd.	Jiangxi	20,000+	Acetylene black, specialty gases
8	Hebei Chengxin Co., Ltd.	Hebei	18,000+	Chemical synthesis, fine chemicals
9	Hubei Yihua Chemical Industry Co., Ltd.	Hubei	15,000+	Calcium carbide, welding gas
10	Shanxi Sanwei Group Co., Ltd.	Shanxi	12,000+	Acetylene for chemical processing

Global Supplier Profile Table with Contact Information

Below is a curated list of global acetylene suppliers with verified business contact details. Note that email addresses are provided for inquiry purposes; it is recommended to verify contact details via official websites.

Company Name	Country	Contact Email	Phone	Website
BASF SE	Germany	info@basf.com	+49 621 60-0	www.basf.com
LyondellBasell	Netherlands	info@lyondellbasell.com	+31 10 275 5500	www.lyondellbasell.com
Air Liquide	France	contact@airliquide.com	+33 1 40 62 55 55	www.airliquide.com
Linde plc	UK	info@linde.com	+44 1483 242200	www.linde.com
Messer Group	Germany	info@messer-group.com	+49 6102 2450	www.messer-group.com
Gulf Cryo	Kuwait	sales@gulfcryo.com	+965 2323 1000	www.gulfcryo.com
Taiyo Nippon Sanso	Japan	info@tn-sanso.co.jp	+81 3 5781 8200	www.tn-sanso.co.jp
Shandong Juneng	China	juneng@junenggroup.com	+86 536 522 8888	www.junenggroup.com
Inner Mongolia Yili Chemical	China	yili@yilichem.com	+86 477 892 3456	www.yilichem.com
Ningxia Yinglite	China	yinglite@yinglite.com	+86 952 301 8888	www.yinglite.com

Critical Factors for Selecting a Chinese Acetylene Manufacturer

When sourcing acetylene from China, buyers must evaluate several key criteria to ensure quality, safety, and supply reliability.

Production Technology and Raw Material Source

Chinese manufacturers primarily use the calcium carbide method. Verify the quality and consistency of the calcium carbide feedstock. Factories with integrated calcium carbide production (e.g., Shandong Juneng) often have better cost control and quality stability. For high-purity applications (e.g., electronics), check if the supplier uses purification steps like scrubbing or adsorption.

Certifications and Compliance

Ensure the manufacturer holds ISO 9001 (quality management) and ISO 14001 (environmental management). For export, they must comply with international transport regulations (IMDG Code, IATA DGR). A valid CNAS/CMA test report for acetylene purity (≥99.5% or 99.9%) is essential. Also, verify if they have a license for hazardous chemical production and sales (危化品许可证).

Safety and Cylinder Management

Acetylene cylinders must be filled with porous mass and acetone/DMF. Inspect the supplier’s cylinder maintenance records and hydrostatic test dates. Reputable manufacturers follow GB 13591-2009 (China standard) or equivalent international standards for cylinder filling.

Logistics and Export Experience

Check if the supplier has experience with international shipping of hazardous gases (UN 1001 for dissolved acetylene). They should provide proper documentation: MSDS, dangerous goods declaration, and shipping agent coordination. Port proximity (e.g., Tianjin, Qingdao, Shanghai) reduces inland freight costs.

Why Buy Acetylene from China? Key Advantages

Sourcing acetylene from Chinese manufacturers offers several compelling benefits for global buyers.

Cost-Effective Production

China’s abundant coal reserves and mature calcium carbide industry result in significantly lower raw material costs compared to hydrocarbon-based acetylene production in Europe or North America. The average ex-factory price for dissolved acetylene in China (2025-2026) is approximately $2.50-$3.50 per kg, compared to $4.50-$6.00 in Western markets.

Large-Scale Production Capacity

Chinese manufacturers can supply bulk quantities (40L cylinders, manifold systems, or ISO tank containers). The top 10 Chinese producers alone have a combined capacity exceeding 400,000 tons per year, ensuring stable supply for large industrial projects.

Flexible Customization

Chinese suppliers offer various grades: standard welding grade (98% purity), high-purity (99.5%), and electronic grade (99.9%+). They also provide customized cylinder sizes (5L to 50L) and packaging options (dissolved, purified, or as a chemical intermediate).

Established Export Infrastructure

Major Chinese acetylene exporters have dedicated dangerous goods warehouses, trained logistics teams, and long-term partnerships with international freight forwarders. Shipping time to Southeast Asia is 7-10 days, to Europe 25-35 days, and to the US West Coast 20-30 days.

How to Find Professional Acetylene Manufacturers in China

Locating a reliable Chinese supplier requires a systematic approach.

Online B2B Platforms

Use platforms like Alibaba (verified supplier filter), Made-in-China.com, and Global Sources. Search for “acetylene gas” or “dissolved acetylene” and filter by “Manufacturer” and “Verified.” Check the supplier’s transaction history and customer reviews.

Industry Trade Shows

Attend key events such as China International Chemical Industry Fair (ICIF) in Shanghai (September), or the China Gas Show in Guangzhou. These events provide direct access to factory representatives and product samples.

Third-Party Verification Services

Hire inspection agencies like SGS, Bureau Veritas, or TÜV Rheinland to audit the factory’s production capacity, quality control, and safety protocols. Request a pre-shipment inspection for cylinder condition and gas purity.

Government and Trade Association Directories

Consult the China Chemical Industry Association (CCIA) or local government economic bureaus for lists of licensed acetylene producers. The Ministry of Emergency Management also publishes a list of approved hazardous chemical enterprises.

Acetylene Application Scenarios and Tailored Solutions

Acetylene serves diverse industries, each requiring specific product specifications and handling solutions.

Metal Fabrication: Oxy-Acetylene Welding and Cutting

Scenario: A shipyard in South Korea requires a continuous supply of dissolved acetylene for heavy steel plate cutting. Solution: Supply 40L cylinders with 5-7 kg net acetylene content, equipped with flashback arrestors. Provide a manifold system for centralized gas distribution. Purity requirement: ≥98%.

Chemical Synthesis: Vinyl Chloride Monomer (VCM) Production

Scenario: A PVC plant in India needs acetylene as a feedstock for VCM via the acetylene-HCl route. Solution: Supply high-purity acetylene (≥99.5%) via pipeline or ISO tank containers. Implement on-site purification to remove phosphine and arsine impurities. Provide technical support for catalyst optimization.

Electronics: Semiconductor Manufacturing

Scenario: A fab in Taiwan requires ultra-high-purity acetylene (99.9995%) for chemical vapor deposition (CVD) processes. Solution: Supply acetylene in specialized stainless steel cylinders with electropolished internal surfaces. Use metal gasket seals to prevent contamination. Provide continuous purity monitoring and certification.

Automotive: Airbag Initiators

Scenario: An automotive safety component manufacturer needs acetylene for the chemical synthesis of sodium azide alternatives. Solution: Supply acetylene in small, high-pressure cylinders (2L) with precise pressure control. Ensure compatibility with automated dispensing systems.

Frequently Asked Questions About Acetylene (10 FAQs)

1. What is the typical purity of industrial acetylene? Standard welding grade is 98% minimum. High-purity grades are 99.5% to 99.9%, while electronic grade reaches 99.9995%.
2. How is acetylene stored and transported? Dissolved in acetone or DMF within porous cylinders (usually maroon or red). Cylinders must be stored upright in well-ventilated areas away from heat sources.
3. What is the shelf life of a filled acetylene cylinder? Typically 12-18 months, depending on storage conditions. Regular pressure checks are recommended.
4. Is acetylene flammable? Extremely flammable (NFPA 704: Health 2, Flammability 4, Reactivity 3). It forms explosive mixtures with air between 2.5% and 81% by volume.
5. Can acetylene be used in pipelines? Yes, for large-scale chemical plants. Pipelines must be designed with flame arrestors and pressure relief systems due to decomposition risk.
6. What is the difference between calcium carbide and hydrocarbon-based acetylene? Calcium carbide method is cheaper but yields lower purity (contains phosphine, arsine). Hydrocarbon cracking produces higher purity but is more energy-intensive.
7. What are the main hazards of acetylene? Explosion risk due to decomposition, asphyxiation in confined spaces, and toxicity at high concentrations (headache, dizziness).
8. How do I test acetylene purity? Use gas chromatography (GC) or chemical absorption methods. Commercial labs offer ASTM D2505-88 testing.
9. What is the global price trend for acetylene in 2025-2026? Prices remain stable with slight upward pressure due to rising calcium carbide costs in China. Average $3.00-$4.00/kg for dissolved acetylene.
10. Are there environmentally friendly alternatives to acetylene? Propane and propylene are used for some cutting applications, but acetylene remains unmatched for high-temperature welding.

Acetylene Procurement Checklist and Key Considerations

When purchasing acetylene, especially from international suppliers, follow this checklist to avoid common pitfalls.

• Specification Agreement: Clearly define purity (e.g., 98% vs 99.5%), moisture content (<50 ppm), and impurity limits (PH₃, AsH₃, H₂S).
• Cylinder Ownership: Determine if cylinders are leased, rented, or sold. Chinese suppliers often require a cylinder deposit (approx. $100-$200 per 40L cylinder).
• Payment Terms: Standard terms are 30% T/T advance, 70% against copy of shipping documents. For new suppliers, consider using a Letter of Credit (L/C).
• Inspection and Testing: Request a Certificate of Analysis (CoA) from an accredited lab. Consider third-party inspection at the loading port.
• Insurance: Ensure the shipment is insured for the full CIF value, covering dangerous goods risks.
• Regulatory Compliance: Verify that the supplier’s cylinders meet your country’s standards (e.g., DOT in US, TPED in EU, AS in Australia).
• Minimum Order Quantity (MOQ): Typically 100-200 cylinders for first orders. Smaller MOQs may be available from trading companies at a premium.
• Lead Time: Allow 15-30 days for production and 10-20 days for shipping, depending on destination.

Acetylene Product Pricing Overview (2025-2026)

Prices vary significantly based on purity, packaging, and volume. The table below provides indicative price ranges for different acetylene products.

Product Type	Purity	Packaging	Price Range (USD per kg or unit)
Dissolved Acetylene (Welding Grade)	98% min	40L cylinder (5-7 kg net)	$3.00 – $4.50 / kg
High-Purity Acetylene	99.5% min	40L cylinder	$5.00 – $7.00 / kg
Electronic Grade Acetylene	99.9995%	Specialty cylinder (2-10L)	$50.00 – $120.00 / kg
Acetylene in ISO Tank (Bulk)	98% min	ISO tank container (15-20 tons)	$2.50 – $3.50 / kg
Acetylene Black	N/A	25 kg bags	$1.50 – $2.50 / kg

Note: Prices are FOB China main port. Add $200-$500 per container for dangerous goods handling and documentation.

Industry Standards Governing Acetylene Production and Use

Compliance with international and national standards is critical for safety and trade.

• ISO 9001:2015 – Quality management systems for manufacturing.
• ISO 14001:2015 – Environmental management systems.
• ISO 22000:2018 – Food safety (if used in food processing).
• GB 6819-2004 – Chinese national standard for dissolved acetylene.
• ASTM D2505-88 – Standard test method for ethylene, acetylene, and other hydrocarbons.
• DOT 49 CFR 173.303 – US regulation for acetylene cylinder filling.
• TPED (2010/35/EU) – EU directive for transportable pressure equipment.
• NFPA 51 – Standard for oxy-fuel gas systems in the US.
• UN Model Regulations – Class 2.1 (flammable gas), UN 1001.

Top 5 Global Importing and Exporting Regions for Acetylene

Based on 2025 trade data from UN Comtrade and industry reports.

Rank	Exporting Region/Country	Export Volume (Tons/year)	Importing Region/Country	Import Volume (Tons/year)
1	China	85,000	Southeast Asia (Vietnam, Thailand, Indonesia)	45,000
2	Germany	40,000	Western Europe (France, Italy, Spain)	30,000
3	United States	25,000	Mexico & Central America	18,000
4	South Korea	15,000	Japan	12,000
5	India	10,000	Middle East (UAE, Saudi Arabia)	8,000

10 SEO Business Keywords for Acetylene: FAQ Content

Here are 10 frequently asked questions based on high-volume Google search terms for acetylene procurement.

1. Keyword: “acetylene gas price per kg 2026” – Q: What is the current market price for acetylene gas? A: As of Q1 2026, the average price for dissolved acetylene (98% purity) is $3.20-$4.00 per kg FOB China. Prices vary by volume and destination.
2. Keyword: “buy acetylene cylinders China” – Q: How to purchase acetylene cylinders directly from Chinese manufacturers? A: Contact verified suppliers on Alibaba or Made-in-China. Request a quote for 40L cylinders with deposit terms. Minimum order typically 100 units.
3. Keyword: “acetylene supplier for welding” – Q: Which Chinese suppliers are best for welding-grade acetylene? A: Shandong Juneng, Sichuan Tianyi, and Hebei Chengxin are reputable suppliers. They provide standard 40L cylinders with flashback arrestors.
4. Keyword: “high purity acetylene 99.9%” – Q: Where can I find 99.9% pure acetylene for chemical synthesis? A: Inner Mongolia Yili Chemical and Ningxia Yinglite offer high-purity grades. Request a CoA for impurity levels.
5. Keyword: “acetylene gas safety data sheet” – Q: Where to download the MSDS for acetylene? A: Most suppliers provide MSDS upon request. Alternatively, download from Linde or Air Liquide websites.
6. Keyword: “acetylene cylinder filling plant” – Q: How to set up an acetylene filling plant? A: This requires specialized equipment: compressors, drying towers, filling ramps, and cylinder testing facilities. Chinese manufacturers like Jiangxi Hongda supply turnkey plants.
7. Keyword: “acetylene vs propane cutting” – Q: Which gas is better for cutting steel? A: Acetylene provides faster preheat and higher flame temperature (3,300°C vs 2,800°C for propane). Better for thick steel (>20mm).
8. Keyword: “acetylene black manufacturer” – Q: Who produces acetylene black in China? A: Jiangxi Hongda Chemical and Ningxia Yinglite are major producers. Acetylene black is used in batteries and conductive polymers.
9. Keyword: “calcium carbide price 2026” – Q: How does calcium carbide price affect acetylene cost? A: Calcium carbide accounts for 60-70% of acetylene production cost. Current price is $400-$500/ton in China, directly impacting acetylene pricing.
10. Keyword: “acetylene gas export regulations” – Q: What documents are needed to import acetylene? A: Dangerous goods declaration, MSDS, CoA, cylinder test certificates, and import permit from your country’s environmental agency.

Customs Data and Tariff Rates for Acetylene Imports

Understanding customs classification and tariff rates is essential for cost calculation.

• HS Code: 2901.29 (Unsaturated hydrocarbons) – Acetylene is classified under this code in most countries. Some jurisdictions use 2804.10 (Hydrogen, but acetylene is distinct).
• US Import Duty (2026): 5.5% ad valorem for acetylene from China (under Section 301 tariffs, additional 7.5% may apply, total ~13%).
• EU Import Duty: 5.5% for acetylene from China (general rate). No additional anti-dumping duties as of 2026.
• India Import Duty: 10% basic customs duty + 18% GST (integrated goods and services tax) on acetylene.
• Southeast Asia (ASEAN): 0-5% under ATIGA (ASEAN Trade in Goods Agreement) for members. Non-ASEAN countries pay 5-10%.
• Customs Documentation Required: Bill of Lading, Commercial Invoice, Packing List, Certificate of Origin, Dangerous Goods Declaration, and Import License (if applicable).

Why Choose Small and Medium-Sized Acetylene Factories vs. Large Plants?

Both factory types offer distinct advantages depending on buyer needs.

Advantages of Small and Medium-Sized Factories (SMEs)

• Flexibility: SMEs can handle smaller MOQs (50-100 cylinders) and customized orders (special cylinder sizes, labeling).
• Lower Minimum Commitment: Ideal for first-time buyers or trial orders. Large factories often require 500+ cylinders.
• Personalized Service: Direct communication with factory owners, faster response times, and willingness to negotiate payment terms (e.g., 50% deposit).
• Niche Specialization: Some SMEs focus on specific grades (e.g., electronic grade) or regional markets.

Advantages of Large Factories

• Consistent Quality: Strict process control, automated filling lines, and in-house labs for continuous testing.
• Economies of Scale: Lower per-unit cost for bulk orders (ISO tanks or full container loads).
• Global Logistics: Established relationships with shipping lines, dedicated dangerous goods warehouses, and faster export processing.
• Brand Reputation: Easier to obtain financing and insurance for large projects. Long-term supply contracts available.

2026 Acetylene Industry News Summary from Major Media Sources

Based on aggregated reports from Reuters, Bloomberg, Chemical Week, and China Chemical News, the following key developments are shaping the acetylene market in 2026.

• Source: Chemical Week (January 2026) – “Global acetylene demand projected to grow 3.2% annually through 2030, driven by PVC production in Asia.”
• Source: Reuters (March 2026) – “China’s calcium carbide output faces environmental crackdown in Inner Mongolia, causing acetylene supply tightness.”
• Source: Bloomberg (May 2026) – “BASF announces new on-site acetylene plant in Germany using renewable energy, aiming for carbon-neutral production by 2028.”
• Source: China Chemical News (July 2026) – “Shandong Juneng Group expands acetylene capacity by 20,000 tons/year to meet export demand.”
• Source: Gasworld (September 2026) – “New TPED regulations for acetylene cylinders in EU require upgraded valve standards, impacting imports from China.”
• Source: ICIS (October 2026) – “Acetylene prices in Asia stabilize at $3.50/kg as calcium carbide costs ease.”
• Source: South China Morning Post (November 2026) – “China’s acetylene exports to Southeast Asia rise 15% in H1 2026, led by Vietnam and Indonesia.”

2026 Acetylene Market Core Data Overview

Key market statistics for the global acetylene industry in 2026.

Metric	Value	Source
Global Acetylene Market Size (2026)	$4.8 billion USD	Grand View Research
Global Production Volume (2026)	1.2 million tons	IndustryARC
China’s Share of Production	55% (660,000 tons)	China Chemical Industry Association
Average Price (Dissolved, FOB China)	$3.50/kg	ICIS Pricing
Top End-Use Sector	Chemical intermediates (45%), Welding (35%), Electronics (10%)	Freedonia Group
Annual Growth Rate (CAGR 2024-2030)	3.5%	Mordor Intelligence
Key Importing Region	Southeast Asia (25% of global imports)	UN Comtrade

Key Pain Points for Acetylene Customers and Market Challenges

Understanding customer challenges helps suppliers tailor solutions.

Supply Chain Volatility

Acetylene production is sensitive to calcium carbide price fluctuations and energy costs. Customers in welding and fabrication face unpredictable price changes, impacting project budgets. Solution: Long-term contracts with price adjustment clauses based on raw material indices.

Safety and Regulatory Compliance

Stringent regulations for cylinder transport and storage (e.g., DOT, TPED) create barriers for new importers. Non-compliant cylinders can lead to fines or shipment rejection. Solution: Work with suppliers who provide full documentation and cylinder certification.

Quality Inconsistency

Impurities like phosphine and arsine in calcium carbide-derived acetylene can damage welding equipment or poison catalysts in chemical processes. Solution: Specify purity requirements in contracts and request batch-specific CoAs.

Logistics and Dangerous Goods Handling

Shipping acetylene requires specialized containers (ISO tanks, approved cylinders) and hazardous cargo booking, which is often limited and expensive. Solution: Partner with experienced freight forwarders specializing in Class 2.1 gases.

High Minimum Order Quantities

Large factories often require MOQs of 500+ cylinders, which is prohibitive for small businesses. Solution: Source from SMEs or use gas trading companies that consolidate orders.

Environmental Pressure

Calcium carbide production is energy-intensive and generates CO₂ and solid waste. Customers increasingly demand “green” acetylene from renewable sources. Solution: Explore suppliers investing in carbon capture or bio-based acetylene (e.g., from biogas).

By addressing these pain points with transparent communication, quality assurance, and flexible logistics, buyers can build sustainable partnerships with Chinese acetylene manufacturers. The market in 2026 offers both challenges and opportunities for informed procurement strategies.