SPECIFICATIONS

FAST SULPHON BLACK F

Synonyms:				Acid Black 32; C.I. 26990

Chemical Formula:			C30H17N4O11S3Na3

Formula Weight:			774.6

CAS No.:				3682-47-1

Appearance:				Black powder

Purity (TLC):			95.0% minimum

Application:				Suitable as an indicator for EDTA titration.

Solubility:				Dark green solution at 4 mg plus 4.0 ml
					Of water

Effective: 01/15/09