Polyvinyl Alcohol USP

Poly (vinyl alcohol) is a water-soluble synthetic polymer. It is used in papermaking, textiles, and a variety of coatings. It is white colourless and odorless. It is sometimes supplied as beads or as solutions in water.


Polyvinyl alcohol   is used in the preparation of polyvinyl acetals by reacting with aldehydes. Polyvinyl butyral (PVB) and polyvinyl formal (PVF) are examples of this family of polymers. Preparation of polyvinyl butyral is the largest use for polyvinyl alcohol in the U.S. and Western Europe.


Chemical Name: Polyvinyl alcohol
Mol. Formula: (C2H4O) n
Density: 1.19-1.31 g/cm3
CAS No: 9002-89-5


General Specifications

Test Specification…USP
Characters Clear, yellowish or brownish, oily liquid.
Solubility It is soluble in water
Viscocity between 85.0% and 115.0%
pH between 5.0 and 8.0
Loss on drying not more than 5.0%
Residue on ignition not more than 1.0%
Heavy metals not more than 10 µg per g
Acid Value  not more than 3.0
Water-insoluble substance  not more than 0.1%
methanol and methyl acetate not more than 1.0%
Organic Volatile impurity Passes test
Residual Solvents Meets the Requirements
Assay Not less than 85% and not more than 115%


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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