Address:
,China
Main Products:
native cyclodextrin,medicinals cyclodextrin,cyclodextrin derivatives,cyclodextrin complexes,cyclodextrin polymers
Description :
ITEMS
SPECIFICATION
RESULTS
Appearance
white powder, insipid, innocent
Qualify
Assay
≥98%
99.8%
Degree of Substitution
7.0-14.0
10.19
Loss on Drying
≤5.0%
4.1%
Optical density of a 10%solution (220-350nm)
≤1.0
Qualify
Optical density of a 10%solution (350-600nm)
≤0.1
Qualify
Chloride
≤0.2%
≤0.2%
Unsubstituted cyclodextrin
≤0.3%
Absent
≤0.5%
0.05%
Heavy Metal (as pd)
≤0.0001%
<0.0001%
Arsenic salt (AS)
≤0.0005%
<0.0005%
Specific rotation
154.7º
TAMC(cfu/g)
≤1000
20
TYMC(cfu/g)
≤100
Absent
Salmonella/E. Coli (cfu/g)
Absent
Absent
Storage: at room temperature, in tightly closed container.