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Key Documents

8.43868

Sigma-Aldrich

Polyvinyl alcohol, partially hydrolyzed

(Mw approx. 30000) for synthesis

Synonym(s):

Polyvinyl alcohol, partially hydrolyzed, PVA, PVOH

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About This Item

Linear Formula:
(C4H6O2 · C2H4O)n
CAS Number:
UNSPSC Code:
13111042
NACRES:
NA.22

Quality Level

form

solid

autoignition temp.

>230 °C

mp

>200 °C

density

1.3 g/cm3 at 20 °C

bulk density

400‑600 kg/m3

storage temp.

2-30°C

Analysis Note

Degree of hydrolysis (calculated on dried substance): ≥ 85.0 %
dyn.Viscosity, 20°C (4 %; water): 3.4 - 4.6 mPa∙s
Loss on drying (110 °C 2h): ≤ 5.0 %
Ash: ≤ 1.0 %
Ester value: 130 - 150

Storage Class Code

11 - Combustible Solids

WGK

WGK 1


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