povidone k17
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Post Date:
Jun 13,2013
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Expiry Date:
Dec 10,2013
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Detailed Description:
Cas No. :9003-39-8
Specs:exists as white or milk white powder, and colorles
PVP in the solid drug can be used as drugs in addition to the binder, solubilizer, disintegrating agents, extension of agonist, but also can be used as a membrane coat and controlled-release drug capsule shell and the membrane. Coat with a membrane made of PVP with the capsule shell in a dry environment is not easy to break, the appropriate amount of insoluble PVP and other polymers made with different thickness and different pore size membrane permeability can regulate the rate of pharmacy through the membrane, thereby efficacy of controlled-release effect can be achieved.
PVP in the application of liquid drugs
In addition to the PVP in the solid in a number of applications outside of drug, PVP in the injection and ophthalmic also has an important role. For example, PVP used in some injection, because between it and the association of drugs to help dissolve the one hand, play a role on the other hand, for some place for too long it will crystallize or precipitate out Pharmacy, PVP dispersion can play a stabilizing role. PVP can be used in eye drops to reduce eye irritation and prolong duration of action of eyedrops.
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CAS Registry Number:
9003-39-8
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Synonyms:
;Polyvinyl pyrrolidone;Povidone;PVP;PVP-K;PVP-K17;PVP-K25;Polyvinylpyrrolidine;PVP-K30;PVP K 30;PVP-K90;poly vinyl pyrrolidone;K-30;Crospovidone;Polyinylpyrrolidone;Polyvinglpyrrolidone;PVP K30/K90;K30;PVP K30;Povidone K25 K30 K90;poly vinyl pyrrolidinone(K=90)urethane;POVIDONE K-17;Polyvinylpyrrolidone/(PVP-K series);
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Molecular Formula:
(C6H9NO)n
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Molecular Weight:
111.143
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Molecular Structure:
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Safety Description:
S24/25:;
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