pharmaceutical excipient: hydroxypropyl-gmma-cyclodextrin
Name: hydrxypropyl- gamma-cyclodextrin
Other name : hedroxypropyl-γ-cyclodextrin
Abbreviation : HPGCD
CAS:
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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