丙三醇Cas号56-81-5Beilstein635685分子式C3H8O3；HOCH2CH(OH)CH2OH分子量92.09别名1,2,3-丙三醇，甘油报价：6800质量标准纯度Purity≥99.5%折光率Refractiveindexn20/D≥1.4731水分water≤0.3%酸碱度Fattyacids&esters(ml0.1NNaOH/25g)≤0.2色泽colourShade≤5APHA相对密度Specificgr***ity(20/20°C)≥1.2623酯esters(ml0.1NHCI/25g)≥8.0糖Sugars2Negative卤化物Halogenatedcpd(asCI)2≤5ppm***He***ymetals(asPb)≤1ppm灰分Sulphatesppm)