Cas号122-31-6Beilstein1209619分子式C11H24O4；(C2H5O)2CHCH2CH(OC2H5)2分子量220.31别名丙二醛乙缩醛外观Appearance无色透明至***液体红外光谱鉴定Infraredspectrometry和对照品匹配纯度Purity≥98.0%(GC)折光率Refractiveindexn20/D1.4100-1.4120比重Specificgr***ity(20/20°C)0.9170-0.9200)