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

PONCEAU  S  ELECTROPHORESIS

Synonyms:				Acid Red 112; C.I. 27195; Fast Ponceau 2B

C.A.S.:				6226-79-5

Chemical Formula:			C22H12N4Na4O13S4

Formula Weight:			760.58

Appearance:				Red-brown to dark-brown powder

Identification:			To pass Test

Absorptivity 1% /1cm,		>460
at λ max. 519.4 

Dye content:				> 80%

Loss on drying:			< 10%

Solubility:				Clear red solution.
0.1% (Dist. Water)

Effective: 08/01/18