Polyvinyl alcohol is an organic compound with the chemical formula [C2H4O] n. Its appearance is
White flake, flocculent or powdery solid, tasteless. Soluble in water (above 95 o C), slightly soluble
In dimethyl sulfoxide, it is insoluble in gasoline, vegetable oil, kerosene, toluene, benzene, methanol and dichloroethane,
Carbon tetrachloride, ethyl acetate, acetone, ethylene glycol, etc.