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最大波长(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
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)