what is Industrial Gas acetylene
The chemical formula of acetylene is C₂H₂. It is a colorless gas under normal temperature and pressure, and pure acetylene has almost no odor. Its density is slightly lower than that of air. It is slightly soluble in water but easily soluble in organic solvents such as acetone. When burning, it produces a bright flame. If mixed with pure oxygen for combustion, the temperature can reach above 3000℃, which can be used for metal welding and cutting.
Production method of acetylene:
- Calcium carbide method (mainstream): Calcium carbide (CaC2) reacts with water to produce acetylene, and over 90% of China uses this process;
- Natural gas cracking method: high-temperature cracking of methane to produce acetylene, commonly used in Europe and America, with high purity but high energy consumption.
Danger and safety precautions:
- Flammable and explosive: It is a highly flammable gas that can easily form explosive mixtures when mixed with air. Storage and transportation require the use of pressure resistant steel cylinders and the avoidance of open flames and static electricity.
- Toxicity: Inhalation at high concentrations can cause hypoxia and suffocation, and concentration control is required in industrial environments (occupational exposure limits are usually below 100 ppm).
- Storage requirements: Keep away from oxidants and heat sources, store in a well ventilated dedicated warehouse, and secure steel cylinders to prevent tipping.
source：https://en.wikipedia.org/wiki/Acetylene#Preparation
What can acetylene be used for?
Acetylene is one of the basic chemical raw materials, and its market demand is closely related to industrial manufacturing, infrastructure, and chemical industries. With the increasing demand for high-purity acetylene in fields such as new energy and semiconductors, the industry is transitioning towards high-end production.
The global acetylene market is expected to reach 11.98 million tons by 2025 and 13.58 million tons by 2030, CAGR 2.54%。 This can be used for market forecasting in future sales plans.
The use of acetylene:
| Specific Application | Specific Use | Typical industries/scenarios |
| Industrial Welding and Cutting | Oxyacetylene flame welding and cutting of metals | |
| Chemical synthesis raw materials | Production of vinyl chloride (PVC monomer) | Petrochemical industry, plastic industry, coating production, etc |
| Synthetic vinyl acetate (raw material for coatings and adhesives) | ||
| Preparation of Acrylonitrile (Synthetic Fiber, Rubber) | ||
| Pharmaceutical and pesticide intermediates | Participate in the synthesis of various organic compounds, such as pharmaceutical active ingredients,insecticides, herbicides, etc | Pharmaceutical manufacturing, pesticide research and development, fine chemicals, etc |
| High end material preparation | Semiconductor industry: High purity acetylene (≥ 99.99%) is used for vapor deposition to prepare carbon nanotubes and graphene | Semiconductor manufacturing, aerospace materials, nanotechnology and other fields. |
| Aerospace: synthesis of coating materials and composite materials |
- Domestically, calcium carbide accounts for 60% to 70% of production costs. In 2025, the ex factory price of calcium carbide in Inner Mongolia will be about 2650 yuan/ton, while the purchase price in Liaoning will reach 3020 yuan/ton, with transportation costs accounting for 20% to 30%. High end market: The price of high-purity acetylene is 3-5 times that of industrial grade. Due to the concentration of semiconductor demand in the Yangtze River Delta and Pearl River Delta regions, the price has increased by 15% to 20% year-on-year.
- European and American markets: Fluctuations in natural gas prices directly affect the cost of acetylene. In 2025, natural gas prices in Europe will increase by 12% compared to 2024, driving acetylene prices up by 8% to 10%.
- Asia Pacific market: China has a significant price advantage in exporting acetylene, with an average export price of $4.41 per kilogram in April 2024, which is 30% to 40% lower than the European market. The main exports are to Southeast Asia and the Middle East.
Differences between domestic and foreign applications of acetylene
Differences in production technology:：
| Domestic situation | Foreign situation | |
| method | More than 95% use the carbide method (CaC ₂+H ₂ O → C ₂ H ₂ ↑) | More than 60% use natural gas partial oxidation method (CH ₄ cracking) |
| resources dependence | Dependence on coal (coal producing areas such as Inner Mongolia and Ningxia) | Relying on natural gas resources |
| characteristic | Mature technology but high energy consumption and significant pollution | Low energy consumption, high purity (≥ 99.9%), mainly supplied to high-end chemical and semiconductor fields |
Differences in transportation logistics:
| Domestic situation | Foreign situation | ||
| long-distance | way | Railway tank trucks are the main production areas (from Inner Mongolia and Ningxia to the east) | Sea freight dominant (e.g. Middle East → Europe) |
| Cost | About 200~300 yuan/ton, accounting for 15%~20% of the selling price | Approximately 80-120 USD/ton, using a dedicated liquefied acetylene transport vessel (compliant with IMDG Code standards, UN1001） | |
| cycle | 3~5 days | ||
| Short-distance | way | Dangerous goods box truck delivery | High purity acetylene: Transported through Dewar flasks or storage tanks, strict temperature control and pressure monitoring are required, and transportation standards are more stringent (such as ISO 10156 gas transport specifications) |
| Cost | The transportation cost of a 40L steel cylinder is about 50 yuan per cylinder, accounting for 10% to 15% of the selling price | ||
Contact us for a quote on acetylence
- Massive & Stable Supply: Two major production bases in North and East China, 5,000m³ gas storage tanks, and professional transport fleets ensure 8,000 tons/month steady supply. Long-Term Agreements (LTAs) with customized capacity reservation plans are available for overseas clients, guaranteeing no disruption during peak seasons.
- Flexible Trade Solutions: Support FOB/CIF/EXW trade terms (default ports: Shanghai/Tianjin), L/C at sight, T/T payments, and negotiable advance+final payment ratios for long-term partners. Door-to-door (DDP) service via top international logistics partners simplifies your operations.
- Global After-Sales Support: 7×24h customer service center, remote technical support, and overseas spare parts warehouses in SE Asia & Middle East ensure rapid response to maintenance and application needs. Annual free gas usage training helps optimize your production efficiency.
- Full Compliance & Certifications: Hazardous chemical export license, ISO9001, EU REACH pre-registration, and destination-country-specific docs (SGS reports, Form E/F/A, etc.) for smooth customs clearance.
FAQ
- Can it meet the large-scale long-term supply demand?
Absolutely possible. We have two major production bases in North and East China, equipped with 5000 cubic meters of gas storage tanks and professional transportation fleets, which can achieve a stable supply of 8000 tons per month. For major overseas clients, we support signing long-term supply agreements (LTAs) and provide customized capacity reservation plans to ensure uninterrupted supply during peak seasons.
- What international trade terms and payment methods are supported?
The trade terms can flexibly adopt FOB, CIF, EXW, etc., and the default delivery port is Shanghai Port/Tianjin Port. Payment methods support L/C at sight and T/T, and for long-term cooperative customers, the payment ratio of advance payment+final payment can be negotiated. We have deep cooperation with multiple international logistics companies and can provide door-to-door (DDP) services to reduce customer operational complexity.
- How to ensure after-sales service for overseas customers?
We have established a 7 × 24-hour global customer service center, equipped with a professional technical team that can provide remote technical support. For overseas markets, we have spare parts warehouses and technical service points in Southeast Asia and the Middle East, which can quickly respond to equipment maintenance, gas application guidance and other needs. In addition, free gas usage training is provided annually to help customers optimize their production processes.
- Is your company’s export qualification complete? What certifications can be provided?
We have complete import and export qualifications and have obtained the hazardous chemical export license, ISO9001 quality management system certification, and EU REACH pre registration certificate. According to the requirements of the destination country, SGS testing reports, certificates of origin (FORM E/F/A, etc.), and compliance documents that comply with local regulations can be provided to assist customers in smooth customs clearance.
- What are the purity and main indicators of your acetylene products?
The purity of acetylene gas produced by our company is ≥ 99.9%, and the impurity content is strictly controlled within: hydrogen sulfide (H ₂ S) ≤ 5ppm, phosphine (PH ∝) ≤ 3ppm, and moisture (H ₂ O) ≤ 100ppm. The product complies with the GB6819-2004 industrial acetylene gas standard and can provide higher purity electronic grade acetylene (purity ≥ 99.99%) according to customer needs, meeting the stringent requirements of different industries.
