Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer made from the monomer N-vinylpyrrolidone
It is used as a binder in many pharmaceutical tablets. Used as a thickening agent in tooth whitening gels. As a food additive, PVP is a stabilizer and has E number E1201. is also used in the wine industry as a fining agent for white wine and some beers.
Product Name: Povidone
CAS No.: 9003-39-8
|Appearance||It occurs as a white or yellowish-white, hygroscopic powder or flakes.|
|Solubility||Freely soluble in water, in ethanol (96 per cent) and in methanol, very slightly soluble in acetone.|
|Appearance of solution||Solution is clear and not more intensely colored than reference solution B6, BY6 or R6|
|pH||3.0 to 5.0|
|Viscosity, expressed as K-value||
|Aldehydes||Not more than 500 ppm|
|Peroxides||Not more than 400 ppm|
|Formic acid||Not more than 0.5%|
|Hydrazine||Not more than 1 ppm|
|Impurity A||Not more than 10 ppm|
|Impurity B||Not more than 3.0%|
|Water||Not more than 5.0%|
|Sulfated ash||Not more than 0.1%|
|Heavy metals||Not more than 10 ppm|
|Assay||Not less than 11.5% and not more than 12.8% of nitrogen (anhydrous substance).|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.