农业和环境标准品
CAS号:99-50-3
品名:原儿茶酸3,4-dihydroxybenzoicacid
中文别名:邻苯二酚-4-羧酸;3,4-二羟基苯甲酸;
英文别名:4-Carboxy-1,2-dihydroxybenzene;Protocatehuicacid;protocatechuate;3,4-dihydroxy-benzoicacid;4,5-Dihydroxybenzoicacid;Benzoicacid,3,4-dihydroxy-;3,4-Dihydroxybenzoicacid;protochatechuicacid;3,4-dihydroxybenzoate;protocatechuicacid;Benzoicacid,3,4-dihydroxy;
分子式:C7H6O4
分子量:154.12
精确质量:154.027
Psa:77.76
RTECS号:UL0560000
EINECS号:202-760-0
MDL号:MFCD00002509
外观与性状:白色至淡黄色晶体粉末
密度:1.559 g/cm3
沸点:410.7ºC at 760 mmHg
熔点:197-200°C (dec.)(lit.)
稳定性:Stable. Incompatible with strong oxidizing agents, strong bases.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
安全说明:S26-S36-S37/39
危险类别码:R36/37/38
WGK Germany:3
海关编码:2918290000
危险品标志:Xi
信号词:Warning
危险性防范说明:P261; P305 + P351 + P338
危险标志:GHS07
危险性描述:H315; H319; H335
简介:Protocatechuicacid(PCA)isadihydroxybenzoicacid,atypeofphenolicacid.Itisamajormetaboliteofantioxidantpolyphenolsfoundingreentea.Ithasmixedeffectsonnormalandcancercellsininvitroandinvivostudies.
用途:本品用作食品添加剂等。