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8.21039

Sigma-Aldrich

Polyvinyl alcohol, fully hydrolyzed

(Mw approx. 30000) for synthesis

Synonym(s):

Poly(vinyl alcohol), PVA, PVOH

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About This Item

Linear Formula:
[-CH2CHOH-]n
CAS Number:
MDL number:
UNSPSC Code:
13111042
NACRES:
NA.22

Quality Level

form

powder

autoignition temp.

450 °C

potency

>20000 mg/kg LD50, oral (Rat)

pH

3.5-7.0 (20 °C, 40 g/L in H2O)

density

1.3 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

IMROMDMJAWUWLK-UHFFFAOYSA-N

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Analysis Note

Degree of hydrolysis (calculated on dried substance): ≥ 98.0 %
dyn.Viscosity, 20°C (4 %; water): 3.8 - 5.2 mPa∙s
Loss on drying (110 °C 2h): ≤ 5.0 %
Ash: ≤ 1.0 %
Ester value: 12 - 25

Storage Class Code

11 - Combustible Solids

WGK

WGK 1


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

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