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363073

Sigma-Aldrich

Poly(vinyl alcohol)

average Mw 31,000-50,000, 87-89% hydrolyzed

Synonym(s):

PVA

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About This Item

Linear Formula:
[-CH2CHOH-]n
CAS Number:
MDL number:
UNSPSC Code:
12352104
NACRES:
NA.23

Quality Level

form

crystalline powder
crystals or granules
powder

mol wt

average Mw 31,000-50,000

falling ball

5.2-6.2 cP, 4 % in H2O(20 °C)(lit.)

InChI

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

InChI key

IMROMDMJAWUWLK-UHFFFAOYSA-N

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General description

Poly(vinyl alcohol) (PVA) is a vinyl based water soluble polymer that can be used as a non-ionic surface active agent. It can also be used as a biodegradable polymer and can be incorporated in adhesives, coatings, textiles ceramics and cosmetics. Its properties include good transparency, chemical resistance, toughness and anti-electrostatic properties.

Application

PVA can be used in the preparation of microspheres which can be further used as biodegradable microcarriers.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

No data available

Flash Point(C)

No data available

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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