二甲基亚砜

中文名称:二甲基亚砜

英文名称:Dimethyl sulfoxideCAS号:67-68-5分子式:C2H6OS分子量:78.13EINECS号:200-664-3

属性

熔点 18.4 °C沸点 189 °C(lit.)
密度 1.100 g/mL at 20 °C
蒸气密度2.7 (vs air)
蒸气压0.42 mm Hg ( 20 °C)
折射率 n20/D 1.479(lit.)
FEMA 3875 | METHYLSULFINYLMETHANE闪点 192 °F
储存条件 Store at RT.溶解度 H2O: miscible (completely)酸度系数(pKa)35(at 25℃)形态liquid (temperature dependent)
颜色clear colorless
相对极性0.444气味 (Odor)Mild garlic odor爆炸极限值(explosive limit)1.8-63.0%(V)水溶解性 Soluble in water, methanol, acetone, ether, benzene, chloroform.凝固点 18.4℃敏感性 Hygroscopic最大波长(λmax)λ: 285 nm Amax: ≤0.20
λ: 295 nm Amax: ≤0.20JECFA Number507Merck 14,3259BRN 506008稳定性Stable. Incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. Reacts violently with a number of materials - consult a full data sheet before use. Hygroscopic.InChIKeyIAZDPXIOMUYVGZ-UHFFFAOYSA-N

安全信息

危险性符号(GHS)
GHS08警示词Warning危险性描述H227-H320-H373防范说明P210e-P280a-P370+P378a-P403+P235-P501a-P260-P264-P305+P351+P338+P337+P313-P314-P501危险品标志 Xi危险类别码 36/37/38安全说明 24/25-37/39-26-36-23危险品运输编号 NA 1993 / PGIIIWGK Germany 1
RTECS号PV6210000
3自燃温度215 °CTSCA Yes海关编码 29309070毒性LD50 orally in rats: 17.9 ml/kg (Bartsch)