PVP(Polyvinylpyrrolidone) K Series (9003-39-8)

Description

Chemical Name: Homopolymer of Vinylpyrrolidone INCI/CTFA Name: PVP (Polyvinylpyrrolidone) CAS No.: ********8 Properties: White or creamy white powder, odourless, nontoxic, non-irritant, dissolves readily in water, alcohol, amine and many other organic solvents. PVP K Series is widely used in pharmaceutical fields, thanks to it&#**9;s excellent solubility, film-formingcapability, chemical stability, physiologicalinertia and cementability. Quality Standard: CP***5. pH. EP., USP/NF. BP. Application: The products possess excellent adhesive, film-forming, dispersing and thickening properties, which are widely used in the pharmaceutical industry. They are one of the three main accessory products recognized & approved worldwide. PVP K*2 K*5 K*7 K*5 K*0 K*0 K*0 Appearance White or off-white powder K value *0.***3.8 *2.****7.*5 *5.***8.*6 *2.***7.0 ****2.4 ****4.8 ****7.2 N-Vinylpyrrolidone (Impurity A) (CP***5/USP*6) %max 0.1 0.1 0.1 0.1 0.1 0.1 0.1 (USP*1/EP6/BP***7) ppm max *0 *0 *0 *0 *0 *0 *0 Moisture % max 5.0 5.0 5.0 5.0 5.0 5.0 5.0 Solid content % min *5 *5 *5 *5 *5 *5 *5 pH value(5%in aqueous solution) 3.**5.0 3.**5.0 3.**5.0 3.**5.0 3.**5.0 4.**7.0 4.**7.0 Sulphate Ash % max 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Nitrogen content % *1.***2.*0 *1.***2.*0 *1.***2.*0 *1.***2.*0 *1.***2.*0 *1.***2.*0 *1.***2.*0 *-Pyrrolidone (Impurity B) % max 3.0 3.0 3.0 3.0 3.0 3.0 3.0 Aldehyde(as acetaldehyde) ppm max **0 **0 **0 **0 **0 **0 **0 Heavy metal (as Pb) ppm max *0 *0 *0 *0 *0 *0 *0 Hydrazine ppm max 1 1 1 1 1 1 1 Peroxide(As H2O2) ppm max **0 **0 **0