According to our records, Product 843871 has a expiration window of six years from the date of examination.
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:
MDL number:
NACRES:
NA.22
UNSPSC Code:
13111042
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
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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This Item | |||
|---|---|---|---|
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form solid | form solid | form solid | form solid |
| density 1.3 g/cm3 at 20 °C | density 1.3 g/cm3 at 20 °C | density 1.3 g/cm3 at 20 °C | density - |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-30°C |
| mp >200 °C | mp >200 °C | mp >200 °C | mp 160-240 °C |
| autoignition temp. >230 °C | autoignition temp. >230 °C | autoignition temp. >230 °C | autoignition temp. - |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
Certificates of Analysis (COA)
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