二氯甲烷

中文名称:二氯甲烷

英文名称:DichloromethaneCAS号:75-09-2分子式:CH2Cl2分子量:84.93EINECS号:200-838-9

属性

熔点 -97 °C沸点 39.8-40 °C mm Hg(lit.)
密度 1.325 g/mL at 25 °C(lit.)
蒸气密度2.9 (vs air)
蒸气压24.45 psi ( 55 °C)
折射率 n20/D 1.424(lit.)
闪点 39-40°C储存条件 Store at RT.溶解度 Miscible in ethyl acetate, alcohol, hexanes, methanol, diethyl ether, n-octanol, acetone benzene, carbon tetrachloride, diethyl ether and chloroform.形态Liquid比重1.329 (20/20℃)颜色APHA: ≤10气味 (Odor)Odor threshold 160 to 230 ppm爆炸极限值(explosive limit)13-22%(V)水溶解性 20 g/L (20 oC)最大波长(λmax)λ: 235 nm Amax: 1.00
λ: 240 nm Amax: 0.20
λ: 250 nm Amax: 0.05
λ: 260 nm Amax: 0.02
λ: 340-400 nm Amax: 0.01Merck 14,6063BRN 1730800暴露限值TLV-TWA 50 ppm (~175 mg/m3) (ACGIH); carcinogenicity: Suspected Human Carcinogen (ACGIH), Animal Sufficient Evidence, Human Inadequate Evidence (IARC).

安全信息

危险性符号(GHS)
GHS07,GHS08,GHS05,GHS02,GHS06警示词Danger危险性描述H315-H319-H335-H336-H351-H373-H302-H314-H371-H412-H225-H301+H311+H331-H370防范说明P261-P281-P305+P351+P338-P260-P280-P301+P312+P330-P303+P361+P353-P304+P340+P310-P210-P301+P310-P311-P201-P202-P308+P313-P405-P501a危险品标志 Xn,T,F,N,C危险类别码 40-39/23/24/25-23/24/25-11-67-36/37/38-68/20/21/22-20/21/22-50-37-34安全说明 23-24/25-36/37-45-16-7-26-61-36/37/39危险品运输编号 UN 1593 6.1/PG 3
WGK Germany 2
RTECS号PA8050000
F 3-10自燃温度556 °CHazard Note HarmfulTSCA Yes海关编码 2903 12 00HazardClass 6.1PackingGroup III毒性LD50 orally in young adult rats: 1.6 ml/kg (Kimura)