DL-***Cas号6168-72-5Beilstein1209234分子式C3H9NO；CH3CH(NH2)CH2OH分子量75.11别名DL-2-***报价：158000质量标准外观Appearance无色透明至浅***粘性液体红外光谱鉴别Infraredspectrometry和对照品匹配纯度Purity≥99.0%(GC)折光率Refractiveindexn20/D-0.5°-+0.5°(neat)比重Specificgr***ity(20/20)0.9620-0.9660)