Chemsite

基本信息

cas:455-86-7
中文名称:3,4-二氟苯甲酸
中文别名:
英文名称:3,4-Difluorobenzoic acid
英文别名:Benzoic acid,3,4-difluoro;3,4-fluorobenzoic acid;3,4-fifluorobenzoic acid;3,4-difluorophenylcarboxylic acid;methyl-3,4-difluorobenzoate;qvr cf df;3,4-Difluor-benzoesaeure;3,4-difluorobenzoate;3,4-Difluorobenzoic Acid;3,4-Difluorobenzoicacid;4,5-difluorobenzoic acid;
分子式:C7H4F2O2
分子量:158.10200
精确质量:158.01800
PSA:37.30000
LOGP:1.66300

物化性质

外观与性状:白色至淡黄色晶体粉末
密度:1.432 g/cm3
沸点:257ºC at 760 mmHg
熔点:120-122 °C(lit.)
闪点:109.2ºC
水溶解性:slightly soluble in cold water
稳定性:Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
蒸汽压:0.00766mmHg at 25°C

安全信息

安全说明:S26-S37/39
危险类别码:R36/37/38
WGK Germany:3
危险品运输编码:UN 2811
海关编码:2916399090
危险品标志:Xi
信号词:Warning
危险标志:GHS07
危险性防范说明:P261; P305 + P351 + P338
危险性描述:H302; H315; H319; H335

生产方法及用途

毒性