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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
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 or customized
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 (220-350nm\350-660nm) 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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