Iohexol 266-164-2 66108-95-0
Product name : Iohexol
Molecular formula : C19H26I3N3O9
Molecualr weight : 821.14
CAS No. : 66108-95-0
Characteristics : White or yellowish powder
Loss on drying : 1.5% max
Assay(HPLC) : 99.0% min
Packing : 25kg or 50kg /drum
Storage : Preserve in tight containers and protect from light.
Items
|
Standards
|
|
1 |
Characteristics
|
White or yellowish powder, has Hygroscopicity
|
2
|
Specific rotation[a]
|
-0.5°~+0.5°
|
3
|
Loss on drying
|
4.0% max
|
4
|
Heavy metals
|
20ppm
|
5
|
Free aromatic amine
|
0.05%
|
6
|
Free Iodine
|
the toluene layer shows no red color
|
7
|
Free iodide
|
20ppm
|
8
|
Ionic compounds
|
0.05%
|
9
|
Residual Solvents
|
Methanol, 0.3% max; N-butanol, 0.5% max; Ethylene Glycol monomethyl ether, 50ppm max; 3-chloro-1,2-propanediol, 0.01% max
|
10
|
Residue on ignition
|
0.1% max
|
11
|
Ferric salt
|
10ppm max
|
12
|
O-alkyl compounds
|
0.6% max
|
13
|
Related substances
|
0.4% max
|
14
|
Assay
|
98.0~102.0%
|
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