hydroxypropyl betadex

Name: hydroxypropyl betadex Other name : 2-hydroxypropyl-beta-cyclodextirn ; Hydroxypropyl-β-cyclodextrin . Abbreviation : HPBCD CAS: 128446-35-5; 94035-02-6; 136019-12-0 EINECS: 420-920-1 Molecular formula : C42H70-nO35(C3H8O2)n Molecular weight: 1134.98 58n Solubility(in 100cm3 solvent, at 25℃) : water: >180 g Methanol: >33g DMSO: >33g Qaulity ： Pharma grade / food grade / cosmetics grade / industry grade Standard : USP38/ EP8.0 / CP2015 Package: 500g/bag , 2kg/bag, 10kg/drum , 20kg/drum Use : medical \ food \ chemical \ cosmetic \ other industries Specification : ITEMS SPECIFICATION(USP38) RESULTS Appearance white powder, insipid, innocent Qualify Assay ≥98％ 99.5% Degree of Substitution 2.8-10.5 5.5 Clarity of solution 50%(w/v) water solution is clear clear Identification(IR) same absorption bands with USP Hydroxypropyl Betadex RS Qualify Loss on Drying ≤10％ 4.5% Conductivity 10%(w/v) water solution ≤200µS/cm 70 Propylene oxide ≤1ppm ＜0.18ppm Propylene glycol　 ≤2.5％ 0.05%　 Sum of Other Impurities ≤1％ 0.51%　 Betadex ≤1.5% 0.39% Residue on Ignition ≤0.2％ 0.09% Heavy Metal ≤20ppm ＜10ppm chloride ≤0.05% ＜0.05% Bacterial endotoxins ≤25EU/g

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