甲基磺酸

中文名称:甲基磺酸

英文名称:Methanesulfonic acidCAS号:75-75-2分子式:CH4O3S分子量:96.11EINECS号:200-898-6

属性

熔点 19 °C沸点 167 °C10 mm Hg(lit.)
密度 1.481 g/mL at 25 °C(lit.)
蒸气密度3.3 (vs air)
蒸气压1 mm Hg ( 20 °C)
折射率 n20/D 1.429(lit.)
闪点 >230 °F
储存条件 2-8°C溶解度 water: soluble1,000 g/L at 20°C酸度系数(pKa)-2.6(at 25℃)形态Solution颜色brown
比重1.48 (18/4℃)水溶解性 Miscible with water. Slightly miscible with benzene and toluene. Immiscible with paraffins.敏感性 Light Sensitive & Hygroscopic最大波长(λmax)λ: 240-320 nm Amax: <0.4Merck 14,5954BRN 1446024稳定性Stable. Moisture sensitive. Incompatible with amines, bases, water, common metals. Releases a substantial amount of heat when diluted with water (add acid to water with care if diluting).InChIKeyAFVFQIVMOAPDHO-UHFFFAOYSA-N

安全信息

危险性符号(GHS)
GHS05,GHS07警示词Danger危险性描述H302-H318-H290-H302+H312-H314-H335防范说明P301+P312+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338-P260h-P301+P330+P331-P405-P501a危险品标志 C危险类别码 34-22-21/22-35安全说明 26-36-45-1/2-36/37/39危险品运输编号 UN 3265 8/PG 2
WGK Germany 1
RTECS号PB1140000
TSCA YesHazardClass 8PackingGroup III海关编码 29041000毒性LD50 orally in Rabbit: 649 mg/kg LD50 dermal Rabbit 200 - 2000 mg/kg