... (C3H5NO)n Used for watertreatment Polyacrylamide(PAM)CAS No.:9003-05-8EC NO.:45-784-56Molecular Formula:(C3H5NO)nProperty: Colloid product ... has no color, transparent, not poisonous, and has no corrosion. Powder ... yellow powder, liquidity is in the form of being no color dense colloid, dissolved in water easily, easily resolved ...