Povidone K 90 9003-39-8

Chinese name: Povidone K90

English name: Povidone K90

Chinese alias: polyvinyl pyrrolidone; poly N-vinyl butyl lactam; l-vinyl 2-pyrrolidone homopolymer

English alias: poly[1-(2-oxo-1-pyrrolidinyl)ethylene]; polyvinylpyrrolidone; povidonum; Povipharm; PVP; 1-vinyl-2-pyrrolidinone polymer.

Chemistry: 1-vinyl-2-pyrrolidone homopolymer; 1-Ethenyl-2-pyrrolidinone homopolymer

CAS registration: 9003-39-8

Unique ingredient identifier (UNII): RDH86HJV5Z

Molecular weight: (C6H9NO)n

Molecular weight (Mw): 1000000-1500000

Povidone is a common ingredient in medications, mostly in solid forms. Povidone solution is a binder used in wet granulation for tablets.
Additionally, when povidone powder is dry, it can be mixed directly with other powders and then granulated with water, alcohol, or hydroalcohol solution.
Povidone is used as a solubilizer in oral or parenteral delivery to hasten the dissolving of medications from solid preparations that are poorly soluble. Another usage for povidone solution is as a coating material.

In certain topical and oral suspensions and solutions, povidone is also utilized as a stabilizer, suspending agent, or viscosity enhancer. Many poorly soluble medications become more soluble when combined with povidone.

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