Product Name: Copovidone (VA64)USP/EP name Copovidone,INCI: PVP/VA copolymer 60/40CAS NO. 25086-89-9Appearance properties White to light yellow free flowing powder, good fluidity, tasteless or slightly characteristic odor;Powder moisture absorption is less than K30, soluble in water, ethanol and other organic solvents, lower than K30 glass transition temperature, can form a transparent water soluble film;Product standards meet USP3/NF, EP, BP, JPE[Product use]: Used as gas chromatography fixing liquid[Product packaging]: self-sealing bag; Aluminum foil bag; A cardboard box; Cardboard drum (or packed according to customer requirements)[Storage conditions]: cool, dry, avoid light, avoid high temperature[Validity]:24 months Copovidone is a linear copolymer of N-vinylpyrrolidone (NVP) and vinyl acetate (VA), which is a water-soluble polymer resin. It is a white powder, odorless, tasteless, easy to absorb moisture, soluble in water, ethanol and anhydrous alcohols, and has good adhesion, hygroscopicity, film formation and surface activity.Since copovidone is a copolymerization structure of NVP and VA, it has the…