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PVPP (pharmaceutical grade)-Polyvinylpolypyrrolidone CAS accession number: 25249-54-1 Specifications: Appearance white or white-like powder chemical formula (C6H9NO)n molecular weight 111.142 Density 1.144g/cm3 melting point 300â?? boiling point 217.6â?? boiling point 1.593â?? Water â?¤ 5.0 % water-soluble substances â?¤1.5 % particle size, â?¤ 63 microns â?¤85% vinyl pyrrolidone ppm â?¤10 PH in 1% water 5-8 heavy metal â?¤10ppm Nitrogen 11.0-12.8% sulphated Ashâ?¤0.1% Peroxides ppmâ?¤400 nature: white or nearly white, hygroscopic and easy-to-flow powder, odorless or slightly smelly, insoluble in water, strong alkali, strong acid and common organic solvents such as ethanol, chloroform or ether, with very light expansion, Excellent physiological inertness, biocompatibility and good complexation ability with various substances. application: Disintegrating agents commonly used in the pharmaceutical industry are insoluble PVPP, hydroxymethyl starch and L-hydroxypropyl cellulose. The decomposition effect of insoluble PVPP tablets is the most obvious and convenient. Because the swelling of insoluble PVPP is reversible, it is not affected by pre-wetting and drying, and its effect and decomposition time are not affected; can also be used as disintegrant and filler for pills, granules, hard capsules. storage method: should be sealed and stored in a clean and dry warehouse, and attention should be paid to fire prevention, waterproof, sun protection, dust prevention and pollution prevention. higher solid content, higher melt viscosity and better particle distribution. PVPP (food grade) CAS accession number: 25249-54-1 Specifications: Appearance white or white-like powder chemical formula (C6H9NO)n molecular weight 111.142 Density 1.144g/cm3 melting point 300â?? boiling point 217.6â?? refractive index 1.593 Moistureâ?¤6.0% water- soluble matterâ?¤0.5% free-N-vinylpyrrolidoneâ?¤10ppm N,N-divinyl-imidazolinoneâ?¤2ppm PH(in 1% water) 5-8 heavy metalâ?¤10ppm nitrogen content 11.0-12.8% sulphated Ashâ?¤0.4% peroxideâ?¤400ppm lead contentâ?¤2ppm lead contentâ?¤2ppm nature: white or nearly white, hygroscopic and easy-to-flow powder, odorless or slightly smelly, insoluble in water, strong alkali, strong acid and ethanol, chloroform or ether, etc; commonly used organic solvents have light expansibility, excellent physiological inertness, biocompatibility and good complexation ability with various substances. application: is widely used in brewing and beverage industries as a clarifying agent and stabilizer for beer, fruit wine and fruit juice; is suitable for any kind of beer (red wine, fruit juice, etc.), improves color and taste, has no adverse effect on foam and taste, and can prolong storage period. storage method: should be sealed and stored in a clean and dry warehouse, and attention should be paid to fire prevention, waterproof, sun protection, dust prevention and pollution prevention.
