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8.21039

Sigma-Aldrich

Polyvinyl alcohol, fully hydrolyzed

(Mw approx. 30000) for synthesis

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Synonym(s):
Poly(vinyl alcohol), PVA, PVOH
Linear Formula:
[-CH2CHOH-]n
CAS Number:
MDL number:

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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This Item
8.148948.438661.14266
Polyvinyl alcohol protective colloid for argentometric titration

Supelco

1.14266

Polyvinyl alcohol

density

1.3 g/cm3 at 20 °C

density

-

density

-

density

-

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

2-30°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

autoignition temp.

450 °C

autoignition temp.

-

autoignition temp.

-

autoignition temp.

-

potency

>20000 mg/kg LD50, oral (Rat)

potency

>2000 mg/kg LD50, oral (Rat)

potency

>2000 mg/kg LD50, oral (Rat)

potency

>2000 mg/kg LD50, oral (Rat)

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


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