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CAS号: 75-08-1 英文名称: Ethanethiol 英文同义词: EM RT;C2H5SH;EM(TM) RT;Etantiolo;Ethanthiol;etantiolol;ETHANETHIOL;Ethaanthiol;Thioethanol;Aethanethiol 中文名称: 乙硫醇 中文同义词: 乙硫;硫乙醇;乙硫醇;硫代乙醇;巯基乙烷;硫氰乙烷;硫氢乙烷;硫氢酸乙酯;C2 硫醇;乙硫醇 溶液 分子式: C2H6S 分子量: 62.13 熔点 : -148 °C 沸点 : 35 °C(lit.) 密度 : 0.839 g/mL at 25 °C(lit.) 蒸气密度: 2.1 (vs air) 蒸气压: 8.51 psi ( 20 °C) 折射率 : n 20/D 1.4306(lit.) FEMA : 4258 | ETHANETHIOL 闪点 : 1 °F 储存条件 : 2-8°C 溶解度 : 6.8g/l 酸度系数(pKa): 10.6(at 25℃) 形态: Liquid 颜色: Colorless 气味 (Odor): Strong chunk; offensive garlic. 气味 (Odor): Ethanethiol has a strongly disagreeable odor that humans can detect in minute concentrations. The threshold for human detection is as low as one part in 2.8 billion parts of air. Its odor resembles that of leeks, onions or cooked cabbage, but is quite distinct. Ethanethiol is intentionally added to butane and propane (see: LPG) to impart an easily noticed smell to these normally odorless fuels that pose the threat of fire, explosion, and asphyxiation. 爆炸极限值(explosive limit): 2.8-18%(V) 嗅觉阈值(Odor Threshold): 0.0000087ppm 水溶解性 : Soluble in alcohol, ether, waterMiscible with alcohol, petroleum naphtha, acetone, dilute alkali and ether. Slightly miscible with water. Merck : 14,3726 JECFA Number: 1659 BRN : 773638 Henry's Law Constant: 3.57(x 10-3 atm?m3/mol) at 25 °C (Przyjazny et al., 1983) 暴露限值: TLV-TWA 0.5 ppm (～1.3 mg/m3 ) (ACGIH and MSHA); ceiling 10 ppm (OSHA); IDLH 2500 ppm (NIOSH). 稳定性: Stable. Extremely flammable - note low flash point. Incompatible with oxidizing agents, strong acids. May form explosive mixtures with air. CAS 数据库: 75-08-1(CAS DataBase Reference) NIST化学物质信息: Ethanethiol(75-08-1) EPA化学物质信息: Ethyl mercaptan (75-08-1) 危险品标志 : F,Xn,N,F+ 危险类别码 : 11-20-50/53-51/53-12-20/22 安全说明 : 16-25-60-61 危险品运输编号 : UN 2363 3/PG 1 WGK Germany : 3 RTECS号: KI9625000 F : 13 自燃温度: 570 °F TSCA : Yes 海关编码 : 2930 90 98 HazardClass : 3 PackingGroup : I 毒害物质数据: 75-08-1(Hazardous Substances Data) 毒性: LD50 orally in Rabbit: 682 mg/kg