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CAS号:109-79-5
英文名称:Butanethiol
英文同义词:n-C4H9SH;FEMA 3478;Butylthiol;NCI-C60866;Bear skunk;thiobutanol;BUTANETHIOL;n-Butylthiol;MERCAPTAN C4;n-Butanethiol
中文名称:丁硫醇
中文同义词:丁琉醇;丁硫醇;硫代丁醇;丁基硫醇;正丁硫醇;1-丁硫醇;正丁基硫醇;C4 硫醇;硫代丁基硫醇;1-丁基硫醇
分子式:C4H10S
分子量:90.19
熔点:−116 °C(lit.)
沸点:98 °C(lit.)
密度:0.842 g/mL at 25 °C(lit.)
蒸气密度:3.1 (vs air)
蒸气压:83 mm Hg ( 37.7 °C)
折射率:n
FEMA:3478 | 1-BUTANETHIOL
闪点:55 °F
储存条件:Store below +30°C.
溶解度:0.597g/l
形态:Liquid
酸度系数(pKa):11.51 at 25 °C (23.0% aqueous tert-butyl alcohol, Friedman et al., 1965)
比重:0.842
颜色:Colorless
气味 (Odor):Strong skunk-like.
爆炸极限值(explosive limit):1.4-11.3%(V)
嗅觉阈值(Odor Threshold):0.0000028ppm
水溶解性:0.60 g/100 mL. Slightly soluble
敏感性:Air Sensitive
Merck:14,1577
JECFA Number:511
BRN:1730908
Henry's Law Constant:(x 10-3 atm?m3/mol): 7.04 at 20 °C (approximate - calculated from water solubility and vapor pressure)
暴露限值:NIOSH REL: 15-min ceiling 0.5 ppm (1.8 mg/m3), IDLH 500 ppm; OSHA PEL: TWA 10 ppm (35 mg/m3); ACGIH TLV: TWA 0.5 ppm (adopted).
稳定性:Stable. Incompatible with oxidizing agents, bases, alkali metals. Highly flammable. May discolour on exposure to air.
CAS 数据库:109-79-5(CAS DataBase Reference)
NIST化学物质信息:1-Butanethiol(109-79-5)
EPA化学物质信息:Butyl mercaptan (109-79-5)