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

CROCEIN  ORANGE  G

  
Synonyms:				1-Phenylazo-2-naphthol-6-sulfonic acid sodium salt;
					C.I. 15970; Acid Orange 12; Ponceau 4 GB

CAS No:					1934-20-9

Chemical Formula:				C16H11N2NaO4S

Formula Weight:				350.32

Description:					Red-orange to orange powder

Identification:				To pass test

Loss on drying @110 deg. C/1hr:		< 20.0%

Solubility:					Soluble in water; moderately soluble in acetone, methyl Cellosolve and ethanol. 

Absorptivity 1%/1cm (Water)
At Lambda Max:				485.0 nm in water

Effective: 01/26/09