S P E C I F I C A T I O N S

SODIUM META-PERIODATE ACS

Synonyms:				Sodium metaperiodate; Periodic acid, sodium salt

CAS No:					7790-28-5

Formula:					NaIO4

F.W.:						213.89

Description:					White, odorless, crystalline powder

Assay (dried basis):				99.8 - 100.3 %

Other halogens (as Cl):	 		0.02 %  maximum

Manganese (Mn):				3 ppm  maximum

Loss on drying:				0.5%  maximum

Aqueous solubility:			
(37 g in 100 ml at 50 Deg. C)		Passes test

pH:						4.0 – 5.0

Effective: 12/22/08