IODIXANOL

1. CAS NO. 92339-11-2

2. Molecular Formula: C35H44I6N6O15

3. Molecular Weight: 1550.18

4. Specifications: USP29

Appearance: Off-whit eor White Crystalline Powder

IdentificationIR confirms with RS

Test

Specific Rotation: -0.5° ~ +0.5°

Water contents: ¡Ü 4.0%

Related substances: Total impurity ¡Ü 1.5%

                   Single impurity ¡Ü 0.2%

Free aromatic amine: ¡Ü 0.05%

Methanol: ¡Ü 0.005%

Ethanol: ¡Ü 0.005%

Isopropyl alcohol: ¡Ü 0.005%

Methoxyethanol: ¡Ü 0.005%

Free Iodine: Confirms

Residue on Ignition: ¡Ü 0.1%

Heavy metal: ¡Ü 0.001%

Ionic compound: ¡Ü 0.001%

Ca: ¡Ü 0.0005%

Assay: 98.6% ~ 101.0%