... white monoclinic crystal,in cold water ,dissolved inn hot water,slight dissolved in hot alcohol,undissolved in aether ,benzene and carbon ... tetrachloride, can dissolved in methanol,formaldehyde,acetic acid ,hot glycol,glycerol, and pyridine etc ,in the condition of ... accord to the regulation of National standard GB9567-1997Detail parameters,Purity≥99.8%; Water content ≤0.1%,PH value 7.5-9. ...