|
DESCRIPTION
|
White,odorless,
fluffy powder having a bitter taste. |
|
SOLUBILITY
|
Freely soluble in ethanol, methanol, and dimethilformammide,
insoluble in water
|
|
IDENTIFICATION
|
1)
TLC
2) IR spectrum
3) Mg test |
|
HEAVY
METALS
SPECIFIC OPTICAL ROTATION
LOSS ON DRYING
pH
MAGNESIUM
IRON
CHLORIDE
SULPHATE
|
Not
more than 10 ppm
+32° - +35° (C = 2% in methanol)
(6,0-6,6)% (135°C until constant weight)
6,0-7,0 (5% aqueous solution)
(2,6-2,9)%
Not more than 20 ppm
Not more than 50 ppm
Not more than 1000 ppm |
|
RELATED
COMPOUNDS (T.L.C.):
|
|
|
LITHOCHOLIC
ACID
CHOLIC ACID
|
Not
more than 0,1%
Not more than 0,5% |
|
CHROMATOGRAPHIC
PURITY (HPLC):
URSODEOXYCHOLIC ACID
CHENODEOXYCHOLIC ACID
|
(98,0-102,0)%
(45,0-55,0)%
(45,0-55,0)% |
|
