Name: Iohexol


Product Data Sheet

Product Name


Molecular Formula


Cas No. 66108-95-0

Molecular Weight


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

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
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Last Update: December 6, 2011
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