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

ETHIDIUM BROMIDE

Synonyms:					Homidium Bromide; EtBr;
						3,8-Diamino-5-ethyl-6-phenylphenanthridinium bromide
						
CAS No:					1239-45-8

Chemical Formula:				C21H2OBrN3

Formula Weight:				394.31

Description:					Dark Red to purple crystalline powder

Identification:				Conforms to standard and structure

Assay:						> 98.0%

Loss on drying @105 Deg.C:		5% maximum

pH (2.0% w/v in H2O):			4 to 7

Melting Point:				260 – 262 Deg. C

Solubility (10 mg + 1 ml of H2O):		Red solution

Effective: 01/16/09