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

Zincon Monosodium Salt ACS

Synonyms:					2-[1-(2-Hydroxy-5-sulfophenyl)-3-phenyl-5-  formazano]benzoic acid monosodium salt

CAS No.					62625-22-3

Chemical Formula				C20H15N4NaO6S  

Formula Weight				462.41

Appearance					Maroon to purple powder

Loss on drying				10.0 % maximum

Lambda max.				490 – 498nm in 0.001N NaOH

Clarity of Solution				To pass test

Suitability for complexometric 
 titration (Zn)			 	To pass test

Effective: 12/16/08