|
DESCRIPTION
|
White,
odorless, fluffy powder |
|
SOLUBILITY
|
Freely
soluble in water
|
|
IDENTIFICATION
|
IR
spectrum |
|
pH
SPECIFIC OPTICAL ROTATION
LOSS ON DRYING
|
5,7-6,1
(2% aqueous solution)
+35,0° - +38,0° (C = 5% in water)
Not more than 5,0 %. (135°C until constant weight) |
|
RELATED
COMPOUNDS (TLC):
|
|
|
LITHOCHOLIC
ACID
URSODEOXYCHOLIC ACID
UNKNOWN
TOTAL
|
Not
more than 0,1%
Not more than 0,5%
Not more than 0,5%
Not more than 1,5% |
|
ASSAY
CHROMATOGRAPHIC PURITY (HPLC)
|
(97,0%
- 103,0%)
(98,0-102,0)% |
|
RESIDUAL
SOLVENT:
|
|
|
ETHYL
ACETATE
TOLUENE
TRIETHYLAMINE
|
Not
more than 0,5%
Not more than 0,05%
Not more than 0,01% |
|
