|
Product
Name
|
Iohexol
|
|
Molecular
Formula
|
C19H26I3N3O9
|
|
Cas No.
|
66108-95-0
|
|
Molecular
Weight
|
821.14
|
|
Appearance
|
White powder,
tasteless
|
|
Assay (by
titration)
|
98.0%~102.0%
|
|
Identification
|
Complies with
the USP 25
|
|
Specific
rotation
|
between -0.5°
and +0.5°
|
|
Water
|
≤4.0%
|
|
Heavy
metals
|
≤0.002%
|
|
Free
aromatic amine
|
≤0.05 %
|
|
Free
iodine
|
Complies with
standards
|
|
Free
iodide
|
Complies with
standards
|
|
Ionic
compounds
|
≤0.05%
|
|
Methanol
|
≤0.005%
|
|
Isopropyl alcohol and methoxyethanol
|
≤0.002%
|
|
Limit of
3-chloro-1,2-propanediol
|
≤0.0025%
|
|
O-alkylated
compounds (HPLC)
|
≤0.6%
|
|
The sum of
all impuritice
|
0.3%
|
|
Any
individual impurity
|
≤0.1%
|
|
Color of solution
|
Absorbances:
400nm Not greater than 0.180
420 nm Not greater than 0.030
450nm Not greater than 0.015
|
|
Bacterial
eudotoxins
|
≤0.004
EU/mgI
|
|
|
|
|
|
|
