Anmol Chemicals is the pioneer manufacturers of Polyvinyl Alcohol, Pharmaceutical Excipients Fragrance & Flavor chemicals in India. We offer Halal and Kosher Polyvinyl Alcohol made in an ISO9001:2008, ISO22000:2005 (FSSC22000) and cGMP certified facility. Our group has several manufacturing facilities spread across the world, supported by toll manufacturers and representatives in UAE, Europe, Africa, USA, China and has several associated manufacturing facilities spread across India. All the Information on Physics, Chemistry, Applications, Uses and Technology on Manufacture of Polyvinyl Alcohol is in these pages.
The units have one or more of the certifications like FDA GMP, ISO 9001, ISO 22000, HACCP, REACH, Kosher & Halal

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Polyvinyl Alcohol Commercial Pure & BP USP Grade Manufacturers

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Polyvinyl Alcohol Pure & BP USP Grade SDS GHS MSDS Sheet of Manufacturers

Polyvinyl Alcohol
USP BP Grade
Polyvinyl Alcohol

Polyvinyl alcohol BP Grade
Ph Eur

Poly(vinyl alcohol) is obtained by polymerisation of vinyl acetate, followed by partial or almost complete hydrolysis of poly(vinyl acetate) in the presence of catalytic amounts of alkali or mineral acids.
Poly(vinyl alcohol) polymers comply with the following indices:
The mean relative molecular mass lies between 20 000 and 150 000. The viscosity is 3 to 70
mPa·s. The ester value which characterises the degree of hydrolysis is not greater than 280.

CHARACTERS
Appearance: Yellowish-white powder or translucent granules.
Solubility: Soluble in water, slightly soluble in ethanol, practically insoluble in acetone.
Various grades of poly(vinyl alcohol) are available. They differ in their degree of polymerisation and their degree of hydrolysis which determine the physical properties of the different grades. They are characterised by the viscosity and the ester value of the substance.

IDENTIFICATION
A. Infrared absorption spectrophotometry: To pass the test.
PreparationıDiscs; in some cases, the sample has to be milled, after cooling if necessary, before preparing the discs.
The spectrum obtained shows absorption maxima corresponding to poly(vinyl alcohol) at 2940 cm-1 and 2920 cm-1.
B. It complies with the test for viscosity (see Tests).

TESTS
Solution S: Heat on a water-bath 250 ml of water R in a borosilicate round-bottomed flask attached to a reflux condenser with stirrer, add 10.0 g of the substance to be examined and continue heating for 30 min with continuous stirring. Remove the flask from the water-bath and continue stirring until room temperature is reached.
Appearance of solution: Solution S is clear and not more intensely coloured than reference solution.
pH: 4.5 to 6.5 for solution S.
Viscosity: 85 per cent to 115 per cent of the value stated on the label.
Determine the viscosity using a falling ball viscometer immediately after preparation of solution S at 20 ± 0.1 °C.
Acid value: Maximum 3.0.
Ester value: 90 per cent to 110 per cent of the value stated on the label.
Heavy metals: Maximum 10 ppm.
Loss on drying: Maximum 5.0 per cent, determined on 1.000 g by drying in an oven at 105 °C for 3 h.
Sulphated ash: Maximum 1.0 per cent, determined on 1.0 g.

Polyvinyl alcohol USP NF Grade

(C2H4O)n
Ethenol, homopolymer.
Vinyl alcohol polymer [9002-89-5].

Polyvinyl Alcohol is a water-soluble synthetic resin, represented by the formula:
(C2H4O)n
in which the average value of n lies between 500 and 5000. It is prepared by 85 percent to 89 percent hydrolysis of polyvinyl acetate. The apparent viscosity, in centipoises, at 20 , of a solution containing 4 g of Polyvinyl Alcohol in each 100 g is not less than 85.0 percent and not more than 115.0 percent of that stated on the label.

Viscosity: To be specified as per the test.
pH: between 5.0 and 8.0, in a solution (1 in 25).
Loss on drying: Dry it at 110 to constant weight: it loses not more than 5.0% of its weight.
Residue on ignition: not more than 2.0%.
Water-insoluble substances: Wash the tared 100-mesh screen used in the test for Viscosity with two 25-mL portions of water, and dry at 110 for 1 hour: not more than 6.4 mg of water-insoluble substances is found (0.1%).
Degree of hydrolysis: To pass the test.

For Original Monographs please check with the respective web-pages or books.

Polyvinyl Alcohol USP BP Grade Manufacturers:

Anmol Chemicals
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564. FAX: 91-22-23728264

e-mail: anmolc@mtnl.net.in

ISO9000

Exports to USA, Canada, UAE, Dubai, South Africa, Tanzania, Kenya, Nigeria, Egypt, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Europe Netherlands, Italy, Spain, Germany, Portugal, France, Malaysia, Indonesia, Thailand, Korea, Japan,etc.

Copyright and Usual Disclaimer is Applicable 3 March, 2016

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