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8.43871

Polyvinyl alcohol, partially hydrolyzed

(Mw approx.200000) for synthesis

Synonym(s):

Polyvinyl alcohol, partially hydrolyzed, PVA, PVOH

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About This Item

Linear Formula:
(C4H6O2 · C2H4O)n
CAS Number:
25213-24-5
MDL number:
MFCD00081922
NACRES:
NA.22
UNSPSC Code:
13111042
eCl@ss:
39020601
Form:
solid
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Quality Segment

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): 34.0 - 46.0 mPa∙s
Loss on drying (110 °C 2h): ≤ 5.0 %
Ash: ≤ 1.0 %
Ester value: 130 - 150

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Storage Class

11 - Combustible Solids

WGK

WGK 1

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  1. What is the shelf life of this product

    1 answer

    1. According to our records, Product 843871 has a expiration window of six years from the date of examination.

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