Polyvinylpyrrolidone 40,000 MW is a synthetic polymer consisting of linear 1-vinyl-2-pyrrolidinone groups with an average molecular weight of 40,000 and is characterized by its viscosity in aqueous solution, expressed as K value. It is used in pharmaceutical manufacturing as well in plant and embryo tissue culture as a solubilizer and complexing agent.
Appearance:
White powder
Water:
(same/less than)5%
N-Vinylpyrrolidone:
(same/less than)0.001%
pH (5%):
3.0-5.0
K Value:
27.0-32.4
Residue on Ignition:
(same/less than)0.1%
Nitrogen:
11.5-12.8%
Acetaldehydes:
(same/less than)0.05%
Lead:
(same/less than)0.0005%
Heavy Metals:
(same/less than)0.001%
Hydrazine:
(same/less than)0.0001%
Peroxides:
(same/less than)0.04%
Meets or exceeds USP specifications
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