... .: 198Physical properties: white powder,soluble in water,tiny soluble in ethanol, insoluble in acetone.Other tech indexs: ITEMTECH INDEXRESULTSAPPERANCEWHITE CRYSTAL OR ... .0016%SULFATE≤0.02%(200PPm)0.005%UNSOLUTION IN ETHANOL≤5mg(1g,95%ETHANOL,30ml,10MINUTES)0.4mgSULFITE AND SOLUBILITY STARCHGOODGOODWEIGHT LOSS ...