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Polyvinyl Alcohol
H(C2H4O)m (C4H6O2)nH Vinyl alcohol and vinyl acetate copolymer (87:13);
 A saponified polyvinyl acetate;
 Poly(ethanol)co(vinyl acetate). [9002-89-5]

DEFINITION

Polyvinyl Alcohol is a water-soluble synthetic resin, represented by the formula (C2H4O)m (C4H6O2)n, in which the average value of m+n lies between 444 and 4440. It is prepared by 85%–89% hydrolysis of polyvinyl acetate. The apparent viscosity, in mPa·s, at 20°, of a 4% (w/w) aqueous solution is NLT 85.0% and NMT 115.0% of that stated on the label.

USP REFERENCE STANDARDS FOR PURCHASE


USP Methyl Acetate RS
USP Methyl Alcohol RS
USP Polyvinyl Alcohol RS
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