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

ETHYL EOSIN CERTIFIED

Synonyms:					Solvent Red 45;
2',4',5',7'-Tetrabromoeosin ethyl
ester potassium salt

C.I. No.:					45386

CAS No.:					6359-05-3

Chemical Formula:				C22H11Br4KO5

Molecular Weight:				714.07

Appearance:					Dark-red powder

Lambda max.:				532nm in 50% ethanol

Loss on drying:				5% maximum
 (at 105 Deg. C)

Solubility:					Clear pink-orange solution
 (1 mg/ml 95% ETOH)

Effective Date: 01/16/09