保护和衍生
CAS号:77-76-9
品名:2,2-二甲氧基丙烷2,2-Dimethoxypropane
中文别名:丙酮缩二甲醇;2,2-二甲氧基丙烷;2,2-甲氧丙烷;二甲氧基丙烷;
英文别名:2,2-dimethoxypropane;Propane,2,2-dimethoxy-;
分子式:C5H12O2
分子量:104.148
精确质量:104.084
Psa:18.46
EINECS号:201-056-0
外观与性状:透明液体
密度:0.847
沸点:83ºC
熔点:-47ºC
闪点:-5ºC
折射率:1.376-1.378
稳定性:Stable. Highly flammable - note low flash point. Vapour may form an explosive mixture with air. May form explosive peroxides when exposed to air. Incompatible with strong oxidizing agents.
储存条件:Flammables area
安全说明:S16-S26-S33-S37/39-S9
危险类别码:R11; R36/37/38
海关编码:2911000000
危险品运输编码:UN 1993 3/PG 2
包装等级:II
危险品标志:F
信号词:Danger
危险性防范说明:P210; P305 + P351 + P338
危险标志:GHS02, GHS07
危险性描述:H225; H319
简介:2,2-DimethoxypropaneoracetonedimethylacetalorDMPisanorganiccompoundandanalkylatingreagent.ThechemicalformulaisC5H12O2andthemolecularformulais(CH3)2C(OCH3)2.Itistheacetalisationproductofacetoneandmethanol.Dimethoxypropaneisanintermediateforthesynthesisof2-methoxypropene.Inhistology,DMPisnowconsideredtobemoreefficientthanethanolforthedehydrationofanimaltissue.
用途:用作医药中间体,主要用于羟基保护及脱水。