POLYVINYL ALCOHOL For Synthesis

POLYVINYL ALCOHOL For Synthesis

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Category: Alcohols

Description
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Description

PVOH; PVA; Polyviol; Vinol

Article No.	05315	Grade	For Synthesis
Purity		CAS No.	9002-89-5
Molecular Formula	(-C₂H₄O)n	Molecular Weight	Approx. 1,15,000
H.S. Code	3905.3000	Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid	Colour	Colourless granules
Odour	Mild odor	pH value	5 – 7
Melting point/ Freezing point [°C]	200 °C	Decomposition point [°C]	228 °C
Flash point [°C]	> 113 °C	Density [g/cm3]	1.269
Solubility in water [% weight]	Soluble in water	Viscosity at 40°C [mm2/s]	4-35 mm2/s at 20 °C

Specifications

Appearance	Colorless translucent granules
Degree of polymerisation	1700 – 1800
Viscosity (4% solution in water)	25 – 32 cps
Hydrolysis (mole %)	98 – 99
Volatile matter	Max 5%
Ash content	Max 0.7%
pH (0.2% solution in water)	5 – 7

Packings

500 g	00500
5000 g	05000
25 Kg	0025K

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