pharmaceutical excipient: hydroxypropyl-gmma-cyclodextrin

Name: hydrxypropyl- gamma-cyclodextrin Other name : hedroxypropyl-γ-cyclodextrin Abbreviation : HPGCD CAS: 128446-34-4 Molecular formula : C48H80-nO40.(C3H7O)n Molecular weight: 1297.2+n.(58.1) Grade : pharma grade Abbreviation : HPBCD Solubility(in 100cm3 solvent, at 25℃) : water: >50g Methanol: >50g Chloroform: <1.0g Qaulity : injection grade / pharma grade / chemical grade Standard : enterprise standard Package: 500g/bag , 2kg/bag, 10kg/drum Use : medical chemical Specification: standard Pharmaceutical grade appearance White powder purity 98.0~102.0% Solubility in water ≥800g/L(25℃) Absorption Absorption of a 2% solution (220-350nm350-660nm) is not more than 0.5 Loss on drying (%) ≤6.0 Residue on ignition(%) ≤0.1 Gamma cyclodextrin (%) ≤1.5 Propylene glycol(%) ≤0.5 Degree of substitution 4.0~5.6 TAMC(cfu/g) ≤100 TYMC(cfu/g) ≤50 Salmonella/E. Coli (cfu/g) Absent Storage: at room temperature, in tightly closed container.


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