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What is povidone derived from?

What is povidone derived from?

Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer made from the monomer N-vinylpyrrolidone.

What is povidone medication?

Povidone (polyvinylpyrrolidone, PVP) is used in the pharmaceutical industry as a synthetic polymer vehicle for dispersing and suspending drugs. It also acts as a disintegrant and tablet binder. It appears as white to off-white hygroscopic powder in its pure form and is readily soluble in water.

Is povidone safe for humans?

When used as directed for antiseptic purposes, povidone iodine is generally safe. Toxicity is most commonly seen when topical povidone iodine is used chronically and in large amounts.

What is the medical definition of povidone iodine?

Medical Definition of povidone-iodine. : a solution of polyvinylpyrrolidone and iodine that is applied topically as a broad-spectrum antibacterial agent. Note: Povidone-iodine is marketed under the trademark Betadine.

How big is the molecular weight of povidone?

po·vi·done. A synthetic polymer consisting mainly of linear 1-vinyl-2-pyrrolidone groups, with mean molecular weights ranging from 10,000-70,000; used as a dispersing and suspending agent; povidone with between 20,000-40,000 molecular weight has been used as a plasma extender. It is not metabolized, but is excreted unchanged by the kidney.

How is povidone used as a dispersing agent?

[po´vĭ-dōn] a synthetic polymer used as a dispersing and suspending agent. Called also polyvinylpyrrolidone. povidone-iodine(PVP-I) a complex produced by reacting iodinewith the polymer povidone; it slowly releases iodineand is used as a topical antiinfectiveagent.

What is the nominal nitrogen content of povidone?

Povidone is a chain polymer of 1-vinyl-2-pyrrolidone. It contains NLT 11.5% and NMT 12.8% of nitrogen (N: 14.01), calculated on the anhydrous basis. It has the nominal K-value of NLT 10 and NMT 120. The nominal K- value is shown on the label.