2-Hydroxypropyl methyl cellulose - (HPMC)

详情

HPMC is a nonionic cellulose ether, white grayish-white powder or granuleÃ�¯Ã�Â&frac*4;ï¿Â&frac*2;odorless and flavorless, soluble in cold water, glacial acetic acid, ethanol, methanol and propylene glycol, slightly soluble in acetone depending on the degree of substitutions, practically insoluble in hot water, ethylene glycol and toluene. Product name:HPMC Currency name: Hydroxypropyl Methyl Cellulose Synonyms: Cellulose, *-hydroxypropyl Methyl ether CAS Number: ********3 Specification: Pharmaceutical grade Type Index E series F-series K-series Methoxy % *8.***0.0 *7.***0.0 *9.***4.0 Hydroxy propyl % 7.***2.0 4.**7.5 4.***2.0 Gelatification temperature/Ã�¢ï¿Â&frac*2;ï¿Â&frac*2; ****4 ****8 ****0 Loss on drying Ã�¢ï¿Â&frac*2;Ã�¤5% pH 4.**8.0 (1%Solution, *5Ã�¢ï¿Â&frac*2;ï¿Â&frac*2;) Residue on Ignition Ã�¢ï¿Â&frac*2;Ã�¤1.0 Ã�¯Ã�Â&frac*4;ï¿Â&frac*2; Heavy metals Ã�¢ï¿Â&frac*2;Ã�¤ *0 ppm Lead Ã�¢ï¿Â&frac*2;Ã�¤ *0 ppm Applications: a. Pharmaceutical aidÃ�¯Ã�Â&frac*4;ï¿Â&frac*2;HPMC is used as adhesive, solutizer in tabletÃ�¯Ã�Â&frac*4;ï¿Â&frac*2; film-forming reagents in pharmaceutical coatingÃ�¯Ã�Â&frac*4;ï¿Â&frac*2;delayed-release and controlled-release tablets or capsules, thickener and water-binding agent in liquid formulation, component in eye drop. b. CosmeticÃ�¯Ã�Â&frac*4;ï¿Â&frac*2;HPMC is used as thickeners, adhesives, emulsifiers and film-forming reagents. Package:*5kg/drum Period of validity:3 years