三氯乙酸

中文名称:三氯乙酸

英文名称:Trichloroacetic acidCAS号:76-03-9分子式:C2HCl3O2分子量:163.39EINECS号:200-927-2

属性

熔点 54-58 °C(lit.)
沸点 196 °C(lit.)
密度 1.62 g/mL at 25 °C(lit.)
蒸气密度<1 (vs air)
蒸气压1 mm Hg ( 51 °C)
折射率 n20/D 1.62(lit.)
闪点 196°C储存条件 2-8°C
溶解度 H2O: 0.5 M at 20 °C, clear, colorless
酸度系数(pKa)0.7(at 25℃)形态Solid颜色WhitePH值<1.0 (25℃, 0.5M in H2O)水溶解性 120 g/100 mL (20 oC)敏感性 Hygroscopic****波长(λmax)210nm(EtOH)(lit.)Merck 14,9627BRN 970119稳定性Stable, but moisture sensitive. Incompatible with water, strong bases. Note that the Merck Index states that this material is hydrolytically unstable in aqueous solution below 30% by weight. Decomposition products include carbon monoxide and carbon dioxide. The generation of these gases in a sealed container may lead to a pressure rise sufficien

安全信息

危险性符号(GHS)
GHS08,GHS02,GHS07,GHS05,GHS09警示词Danger危险性描述H400-H315-H318-H335-H336-H351-H373-H410-H225-H412-H314-H401-H411防范说明P273-P280-P305+P351+P338+P310-P391-P501-P210-P370+P378-P403+P235-P303+P361+P353-P304+P340+P310-P305+P351+P338-P260-P260h-P301+P330+P331-P405-P501a危险品标志 Xn,N,C,F,Xi危险类别码 36/37/38-40-51/53-50/53-35-38-11-34-67-52/53安全说明 26-36/37-61-60-45-36/37/39-24/25-16危险品运输编号 UN 1839 8/PG 2
WGK Germany 2
RTECS号AJ7875000
F 10-21自燃温度711 °CHazard Note Corrosive/HygroscopicTSCA YesHazardClass 8PackingGroup II海关编码 29154000毒性LD50 orally in rats: 5000 mg/kg (Bailey, White)