Celvol WS-724

Documents for this Product:

MSDS
   MSDS-All Languages
Sales Specification
   North America Sales Specification - Celvol WS-724 in English

General Info
CAS Number: Molecular Formula: Molecular Weight: Classifications:	25213-24-5 mixture mixture                                                        Polymer

Synonyms:
polyvinyl alcohol; PVOH; PVA; acetic acid ethenyl ester, polymer with ethanol

Description:
White granular odorless powder. Hygroscopic. Partially hydrolyzed.

Degree of hydrolysis, mole % 93.25±2.25
4% Solution viscosity, cP 18.50±5.50
Water solubility, grams/liter soluble in hot water
Bulk density, grams per milliliter 0.61-0.67
Bulk density, pounds per cubic foot 40
Boiling point decomposes
Flash point (closed cup) not applicable
Melting point 230-240°C (decomposition begins below
the melting point)

The largest use of polyvinyl alcohol is as a raw material for polyvinyl butyral, which as a plasticized film forms the interlayer for laminated glass ("safety glass") in automobile windshields and the windows of buildings. The second largest use is of polyvinyl alcohol is as a component of adhesives, and the third, as a textile size. Polyvinyl alcohol is also used extensively as a coatings additive.

Water solubility, grams/liter
Density, grams per milliliter
Pounds per gallon
Boiling point
Flash point (closed cup)
Freezing point

Product Uses

Regulatory Numbers
Index Number:  No number assigned. This product is not regulated under this code.
EINECS Number:  No number assigned. This product is not regulated under this code.
UN Number:  No number assigned. This product is not regulated under this code.

Manufacturing Sites (only if a city is listed )
Region                                                City
North America                                   USA Calvert City, KY,
                                                             USA Pasadena, TX
Europe
Asia

Packaging
Bulk, Bags, Supersacks

Other Information
Structure:
A segment of a typical Celvol WS-724 chain looks like this:

--CH2--CH--CH2-
CH--CH2--CH--CH2--
CH--CH2--CH--
CH2--CH--CH2--CH--
CH2--CH--CH2--
CH--CH2--CH--CH2--CH--
OH OH O OH OH
OH OH OH OH OH OH
|
C=O
|
CH3