... .:9002-89-5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl alcohol(PVA)1,other name: vinylalcohol polymer, poval2, ... No.9002-89-5Molecular formula[C2H4O]nAppearancewhite flakes,floccus or powder solid,odourlessRelative density(25°C/4°C)1.27- ... industry ,including:PVC, melamine, urea, ammonium chloride,polyvinyl alcohol, paraffin, sodium hydroxide, and so on. For more information , pls feel free ...