CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

Product name

Ioversol

CAS NO.

87771-40-2

Appearance

White powder

Identification

A: IR

B: violet vapors are evolved

C:the maximum absorption wavelength is at 245nm

Acidity

5.0-7.0

Appearance of solution

The solution is clear, if shows color, it should be not darker than 1# yellow reference comparing solution

Free iodine

The toluene layer shows no red color

Free iodide

0.001%max

Water

5.0%max

Residue on ignition

0.1%max

Heavy metals

20ppm max

Related substances

Related compound A:0.10%max

Related compound B:0.50%max

Related compound C:0.10% max

Related compound D:0.10%max

Any other impurity: 0.10%max  

Total other impurities: 0.20%max

Total impurities: 1.0%max

Residual solvents

Methanol : 0.005%max

Butanol :0.005%max

Chloroform: 0.00075% max

2-Chloroethanol : 0.0025%max

Assay

98.0-101.0%

Bacterial Endotoxins

0.37EU/G max