CAS:4525-33-1
4525-33-1
CAS号：4525-33-1
品名：焦碳酸二甲酯Dimethyldicarbonate
中文别名：二碳酸二甲酯;
英文别名：DMPCDimethylpyrocarbonatePyrocarbonicaciddimethylester;methoxycarbonylmethylcarbonate;
分子式：C4H6O5
分子量：134.087
精确质量：134.022
Psa：61.83
UNII号：1AY9229ZMG
密度：1.242g/cm3
沸点：171.4ºC at 760mmHg
熔点：15-17ºC
闪点：80ºC
折射率：n20/D 1.392(lit.)
储存条件：库房通风低温干燥,与食品原料分开储运
安全说明：S18; S26; S28; S36/37/39; S38; S45
危险类别码：R21/22
海关编码：2920909090
危险品运输编码：UN 2927 6.1/PG 2
危险类别：6.1(a)
包装等级：II
危险品标志：T
信号词：Danger
危险性防范说明：P260; P280; P284; P305 + P351 + P338; P310
危险标志：GHS05, GHS06
危险性描述：H302 + H312; H314; H330
简介：Dimethyldicarbonate(DMDC)isanorganiccompoundwhichisacolorlessliquidwithasharpodoratroomtemperature.Itisprimarilyusedasabeveragepreservative,processingaid,orsterilant(INSNo.242),andactsbyinhibitingtheenzymesacetatekinaseandL-glutamicaciddecarboxylase.IthasalsobeenproposedthatDMDCinhibitstheenzymesalcoholdehydrogenaseandglyceraldehyde3-phosphatedehydrogenasebycausingthemethoxycarbonylationoftheirhistidinecomponents.
合成
