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Home > Products > Polymer Science > Polymers > Polyvinyl Alcohol (PVA)

Polyvinyl Alcohol (PVA)

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Catalog Number

ACM9002895-24

Product Name

CAS

9002-89-5

Description

Polyvinyl alcohol appears as odorless white to cream-colored granules or powder. Pure aqueous solutions are neutral or faintly acid and subject to mold growth. pH (4% aqueous solution): 5-8. Strongly hydrophilic. (NTP, 1992);Odourless, tasteless, translucent, white or cream-coloured granular powder;COLOURLESS-TO-WHITE SOLID IN VARIOUS FORMS.

IUPAC Name

ethenol

Molecular Weight

44.05g/mol

Molecular Formula

(C2H3OR)nwhere R = H or COCH3;(CH2CHOH-)n;CH2CHOH;C2H4O

SMILES

C=CO

InChI

InChI=1S/C2H4O/c1-2-3/h2-3H,1H2

InChIKey

IMROMDMJAWUWLK-UHFFFAOYSA-N

Boiling Point

644 °F at 760 mm Hg approximately (NTP, 1992);644 °F at 760 mm Hg /approximately/

Melting Point

442 °F (decomposes) (NTP, 1992);>200 ℃; other melting points: 212-267 ℃

Flash Point

175 °F (NTP, 1992);175 °F (79 ℃) (open cup);79 ℃ o.c.

Density

1.329 (NTP, 1992);1.91 to 1.31;1.19-1.31 g/cm₃

Solubility

Soluble (NTP, 1992);Soluble in water; sparingly soluble in ethanol;Soluble in water;Solubility in water: good;Water solubility increases as molecular weight decreases;Slightly soluble in ethanol, but insoluble in other organic solvents;Essentially soluble in hot and cold water, but those coded 20-105 require alcohol-water mixtures; Insoluble in petroleum solvents;Practically insoluble in animal and vegetable oils; insoluble in aromatic hydrocarbons, esters, ether, acetone; practically insoluble in chlorinated hydrocarbons;Solubility in water: good

Stability

Stable under recommended storage conditions.

Viscosity

/p>4,8 to 5,8 mPa.s (4 % solution at 20 ℃) corresponding to an average molecular weight of 26 000-30 000 Da

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

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