... -5 3.Formula:[C2H4O]n 4.Appearance:white powder Polyvinyl alcohol(PVA)1,other name: vinylalcohol polymer, poval2, CAS ... 9002-89-5Molecular formula[C2H4O]nAppearancewhite flakes,floccus or powder solid,odourlessRelative density(25°C/4°C) ... ammonium chloride,polyvinyl alcohol, paraffin, sodium hydroxide, and so on. For more information , pls feel free to contact us polyvinyl alcohol PVA granule or powder