乙烯 (CAS No.74-85-1)
- 物化性质
- 常温常压下为无色易燃气体,具有轻微甜味。微溶于水,可溶于乙醇、乙醚等有机溶剂。熔点-169.4°C,沸点-103.7°C,闪点-136°C,自燃温度425°C。气体密度1.178 kg/m³(0°C,101.325 kPa),相对蒸气密度(空气=1)0.97。爆炸极限2.7%~36%(体积分数)。临界温度9.2°C,临界压力5.04 MPa。
- 技术参数
- 纯度不低于99.95%(体积分数) 水含量不大于5 mg/kg 氧含量不大于5 mg/kg 一氧化碳含量不大于5 mg/kg 二氧化碳含量不大于10 mg/kg
English description(英文原文,共 1038 字符)
Product Name:Ethylene
English Name:Ethylene
CAS No.:74-85-1
Aliases:Ethene, Olefiant gas
Molecular Formula:C2H4
Physical Properties:Colorless flammable gas at ambient temperature and pressure with a faint sweet odor. Slightly soluble in water; soluble in ethanol, ether and other organic solvents. Melting point -169.4°C, boiling point -103.7°C, flash point -136°C, autoignition temperature 425°C. Gas density 1.178 kg/m³ (0°C, 101.325 kPa), relative vapor density (air=1) 0.97. Explosive limits 2.7%~36% by volume. Critical temperature 9.2°C, critical pressure 5.04 MPa.
Uses:Ethylene is a fundamental petrochemical raw material, mainly used to produce polyethylene (PE), ethylene oxide, dichloroethane, styrene, ethanol and other chemicals. It is also used as a fruit ripening agent.
Technical Specifications:
Purity not less than 99.95% by volume
Water content not greater than 5 mg/kg
Oxygen content not greater than 5 mg/kg
Carbon monoxide content not greater than 5 mg/kg
Carbon dioxide content not greater than 10 mg/kg
English Name:Ethylene
CAS No.:74-85-1
Aliases:Ethene, Olefiant gas
Molecular Formula:C2H4
Physical Properties:Colorless flammable gas at ambient temperature and pressure with a faint sweet odor. Slightly soluble in water; soluble in ethanol, ether and other organic solvents. Melting point -169.4°C, boiling point -103.7°C, flash point -136°C, autoignition temperature 425°C. Gas density 1.178 kg/m³ (0°C, 101.325 kPa), relative vapor density (air=1) 0.97. Explosive limits 2.7%~36% by volume. Critical temperature 9.2°C, critical pressure 5.04 MPa.
Uses:Ethylene is a fundamental petrochemical raw material, mainly used to produce polyethylene (PE), ethylene oxide, dichloroethane, styrene, ethanol and other chemicals. It is also used as a fruit ripening agent.
Technical Specifications:
Purity not less than 99.95% by volume
Water content not greater than 5 mg/kg
Oxygen content not greater than 5 mg/kg
Carbon monoxide content not greater than 5 mg/kg
Carbon dioxide content not greater than 10 mg/kg
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常见问题
- 乙烯的 CAS 号是多少?
- 乙烯的 CAS 号是 74-85-1。
- 乙烯的分子式和分子量是什么?
- 乙烯的分子式为 C2H4。
- 乙烯的英文名称是什么?
- 乙烯的英文名称为 Ethylene。
- 乙烯还有哪些别名?
- 乙烯又称 乙烯单体、成油气。
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- 掌上化工乙烯产品页汇总了各供应商的最新报价与规格,地址:/chemicals/74-85-1/。部分供应商价格为电议,可通过页面上的询价功能直接获取。
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