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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:硫化氢
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
形态:colorless gas
酸度系数(pKa):7(at 25℃)
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
嗅觉阈值(Odor Threshold):0.00041ppm
爆炸极限值(explosive limit):6%
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)