SPECIFICATIONS

Meta-CRESOL PURPLE SODIUM SALT

Synonyms:				m-Cresol Purple water-soluble; 
					m-Cresolsulfonephthalein Sodium Salt

CAS No.:					62625-31-4	

Chemical Formula:				C21H17O5SNa

Formula Weight:				404.42

Description:					Dark orange to Brown to Black powder. 

Identification:				Conforms to structure and standard

Visual Transition Interval:		pH 1.2 (Red) to pH 2.8 (Yellow)
pH 7.4 (Yellow) to pH 9.0 (Purple)

Solubility:					Clear, deep purple solution
(1 mg/ml, 1N NH4OH)

Effective: 06/01/16