SPECIFICATIONS

BROMOCRESOL GREEN SODIUM SALT ACS

Synonyms:			4,4’-(3H-1,2-Benzoxathiol-3-Yliden)Bis(2,6-dibromo-3-
				methylphenol  S,S-Dioxide Monosodium salt

CAS No:				62625-32-5

Chemical Formula:			C21H13Br4NaO5S

Formula Weight:			720.02

Description:				Dark-brown to dark red or Greenish-black crystalline powder

Clarity of solution:			To pass test

Absorptivity 1%, 1cm, in 		> 350
Water at λ max. 616.2 nm

Visual Transition Interval:	From pH 3.8 (yellow)
					To pH 5.4 (blue)

Loss on drying:			< 5%

Solubility:				H2O 40mg/ml
EGME 50mg/ml
ETOH 60mg//ml

Effective Date 04/04/19