Product Overview
Most commercial ethylene is manufactured via high-temperature steam cracking of various hydrocarbon raw materials. The active carbon-carbon double bond endows ethylene with excellent chemical reactivity, supporting abundant addition reactions and copolymerization reactions to produce packaging plastics, synthetic fibers, coatings and multiple fine chemical materials.
For bulk cross-border export delivery, ethylene is generally filled and shipped with certified tank container. The pressure-resistant, fully sealed structure of tank container stabilizes the liquefied state of ethylene during multimodal transportation, prevents gas leakage and quality deterioration, and complies with international hazardous goods transport standards to guarantee long-distance shipment safety.
Basic Information
| CAS No. | 74-85-1 |
| UN No. | UN1962 (Ethylene, compressed) or UN1038 (Ethylene, refrigerated liquid) |
| Molecular Formula | C₂H₄ |
| Hazard Classification | 2.1 (Flammable gas) |
Key Attributes & Parameters
| Purity | Polymer-grade ethylene typically exceeds 99.9% purity, with strict limits on impurities like acetylene, oxygen, carbon monoxide, sulfur compounds, and water, which can poison catalysts. |
| Physical State | Colorless, flammable gas; can be liquefied under pressure or at low temperatures (-103.7°C). |
| Boiling Point | -103.7°C (-154.7°F) |
| Vapor Density | Slightly less dense than air (0.97 relative to air). |
| Critical Properties | Critical temperature |
Features & Advantages
Diversified Downstream Derivation Capacity
Ethylene acts as the vital precursor material of the whole olefin chemical industry. It can be further processed into polyethylene plastic raw materials, ethylene glycol, vinyl monomers and coating intermediates, covering packaging, automobile manufacturing, textile and daily chemical industries to satisfy diversified bulk manufacturing demands.
Stable Reaction Activity for Customized Synthesis
Thanks to the active carbon-carbon double bond structure, ethylene can complete controllable polymerization, epoxidation and alkylation reactions under matched process parameters. Factories can adjust reaction conditions flexibly to develop customized finished chemicals, supporting differentiated production schemes of downstream manufacturers.
Reliable Large-Scale Supply Capacity
Ethylene adopts mature hydrocarbon steam cracking mass production technology. Stable annual output guarantees continuous bulk supply for global factories, avoiding raw material shortage risks caused by insufficient output. Export bulk ethylene is transported by standardized tank container, and the sealed pressure-bearing tank container locks product purity free from external contamination.
Safe Long-Distance Cross-Border Transport Adaptability
Liquefied ethylene for export relies on certified tank container for multimodal shipment. The tank container is equipped with heat insulation, pressure monitoring and anti-leakage devices to stabilize product status during highway and sea transit. The whole transportation mode complies with international dangerous goods rules, realizing long-distance safe delivery and stable quality retention of ethylene.
Functional Characteristics
High-purity ethylene is an active monomer and multi-purpose chemical intermediate. It conducts addition polymerization to produce HDPE, LDPE, LLDPE for plastic manufacturing.
Through catalytic reactions, ethylene can be converted into ethylene oxide, industrial ethanol, ethylbenzene and ethylene dichloride, supporting the production of glycol, surfactants, styrene and PVC.
For export shipment, ethylene is transported as cryogenic liquid. Insulated pressure-resistant tank container maintains stable low temperature and high purity during transit, complying with global dangerous goods shipping standards.
Primary Application Fields
Polymer Production (Primary Use)
Over half of global ethylene production is used to manufacture various grades of polyethylene (PE), the world's most common plastic.
Ethylene Oxide/Ethylene Glycol
Oxidation of ethylene produces ethylene oxide, a precursor to ethylene glycol (antifreeze, PET polyester) and ethoxylates (surfactants).
Styrene Production
Via ethylbenzene, leading to polystyrene plastics and synthetic rubber (SBR).
Vinyl Chloride Monomer (VCM)
Combined with chlorine to form EDC, which is cracked to yield VCM for PVC production.
Other Chemicals
Production of ethanol, acetaldehyde, linear alpha olefins, and other specialty chemicals.
Customer Collaboration Case
A Central Asian chemical enterprise specialized in ethylene oxide and glycol manufacturing planned product upgrading, troubled by unstable ethylene purity that caused fluctuating product yield. We provided polymer-grade ethylene and adopted tank container bulk delivery for cross-border transportation.
Strict control of trace impurities was implemented during production, matching the customer's catalytic synthesis criteria. The sealed, temperature-controlled tank container avoided purity loss during long highway transit. After cooperation, the customer's glycol yield rose notably, product quality became uniform, and the enterprise successfully supplied local textile and antifreeze factories with stable qualified goods.
Heze Dongjian Chemical Sales Co., Ltd. takes a strong supply chain system as its core competitiveness and has established a guarantee network covering all aspects of procurement, warehousing, and transportation. At the procurement end, it has established long-term and stable cooperation with high-quality manufacturers in Nanjing, Shandong, Henan, Lianyungang and other places to ensure sufficient supply and controllable quality; at the warehousing end, it has built a mobile inventory management system to precisely match market demands; at the transportation end, it has formed a fleet of over 340 specialized hazardous chemical transportation vehicles, equipped with a professional operation team, to achieve safe and efficient delivery across the country. The company, with its comprehensive supply chain control capabilities, effectively avoids market fluctuation risks and ensures the continuous and stable supply of products. As a general taxpayer and a tax A-level enterprise, its standardized operation management and reliable supply chain services have won wide trust in the industry and become the preferred partner for many enterprises' chemical raw material purchases.
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