7783-06-4
@7783-06-4
Joined June 2026
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CAS号: 7783-06-4 英文名称: Hydrogen Sulfide 英文同义词: H2S;sourgas;sewergas;Sour gas;Sewer gas;stinkdamp;Stink damp;Hepatic gas;Siarkowodor;Hepatic acid 中文名称: 氢硫酸 中文同义词: 氢硫酸;硫化氢;液体硫化氢;硫氢化合物;氢硫酸,固体;氢硫酸 溶液;硫化氢(液体);硫化氢(>99.5%) 分子式: H2S 分子量: 34.08 熔点 : −85 °C(lit.) 沸点 : −60 °C(lit.) 密度 : dgas 1.19 (air = 1.00) 蒸气密度: 1.19 (15 °C, vs air) 蒸气压: 252 psi ( 21 °C) FEMA : 3779 | HYDROGEN SULFIDE 闪点 : -17℃ 储存条件 : 2-8°C 酸度系数(pKa): 7(at 25℃) 形态: colorless gas 气味 (Odor): Strong rotten egg odor detectable at 0.001 to 0.1 ppm (mean = 0.0094 ppm); olfactory fatigue occurs quickly at high concentrations 爆炸极限值(explosive limit): 6% 嗅觉阈值(Odor Threshold): 0.00041ppm 水溶解性 : 1g dissolves in H2O: 187mL (10°C), 242mL (20°C), 314 (30°C) [MER06] Merck : 13,4823 BRN : 3535004 稳定性: Stable. Highly flammable. May form explosive mixture with air. Note wide explosive limits. Incompatible with strong oxidizing agents, many metals. May react violently with metal oxides, copper, fluorine, sodium, ethanal. CAS 数据库: 7783-06-4(CAS DataBase Reference) EPA化学物质信息: Hydrogen sulfide (7783-06-4) 危险品标志 : F+,T+,N,F 危险类别码 : 12-26-50-40-36/37-19-11 安全说明 : 9-16-36-38-45-61-28-26 危险品运输编号 : UN 1053 2.3 WGK Germany : 2 RTECS号: MX1225000 自燃温度: 260 °C DOT Classification: 2.3, Hazard Zone B (Gas poisonous by inhalation) HazardClass : 2.3 毒性: LC50 in mice, rats (ppm): 634, 712 (1 hr inhalation) (Vernot); LC50 in rats (ppm): 444 (4 hr inhalation) (Tansy)