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

NAPHTHOL GREEN B ACS

Synonyms:					Acid Green 1, C.I. 10020 

CAS No.:					19381-50-1

Chemical Formula:				C30H15FeN3Na3O15S3

Formula Weight:				878.46

Appearance:					Dark Green to Black Powder 

Absorptivity:				>110
(1% /1cm at λ max 718 nm)

Loss on drying:				<10%

Clarity of solution:				To Pass Test

Suitability as a mixed 			To Pass Test
indicator for complexometry:

Effective Date: 02/04/19