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

TIRON

Synonyms:  				4,5-DIHYDROXY-1,3-BENZENEDISULFONIC 
ACID, DISODIUM SALT, HYDRATE   

CAS No:				149-45-1

Formula:				C6H4Na2O8S2 * H2O

F.W.:					332.22

Appearance:				White crystalline powder

Assay (TBAH - Titration):		97.0 % minimum

Water (K.F.):				4.5 - 6.0 %

Chloride (Cl):			< 0.5 %

Sulfate (SO4): 			< 1.0 %

Solubility (5% H2O)		Clear

Effective: 01/24/14