Polyvinylpyrrolidone (PVP) K-30

Chemical Name: Polyvinylpyrrolidone
Grade: K-30 (referring to its K-value, which relates to its molecular weight and viscosity)
Appearance: White or nearly white, hygroscopic powder
Odor: Odorless or slight characteristic odor
Solubility: Soluble in water, ethanol, and chloroform
pH (5% solution): 3.0 - 7.0
K-value: 27.0 - 32.4 (indicating a specific molecular weight range)

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