POLYVINYL PYROLIDIONE K25 (PVP) M.W. APPROX 24000

POLYVINYL PYROLIDIONE K25 (PVP) M.W. APPROX 24000
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0163500500 For Synthesis 9003-39-8 (C6H9NO)n ~ 24000 3905.9910
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White to yellowish

Melting Point/ Freezing point [°C]

220 (decomposes)

Auto-ignition temperature [°C]

440

Relative density, liquid (water=1)

1.2 g/cm3 at 20°C

Specifications

Appearance:

 White to yellowish white hygroscopic powder or flakes

Lead (Pb):

 Max 0.001%

Water (H2O):

 Max 5.0%

Identification as per USP:

 Complies

Nitrogen content (as N):

 11.5-12.8%

Residue on ignition:

 Max 0.1%

pH (5% solution):

 3.0 -7.0

Aldehydes:

 Max 0.05%

Hydrazine (N2H4):

 Max 0.0001%

K-value:

 23.0-27.0

Vinylpyrrolidone:

 Max 0.001%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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