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

INDOPHENOL SODIUM SALT

Synonyms:				4-(p-Hydroxyphenyl)-2,5-Cyclohexadiene-1-One
					Sodium Salt

CAS No.:				5418-32-6

Chemical Formula:			C12H9NO2  

Formula Weight:			221.19

Description:				Green powder

Solubility:				Clear blue solution
 (0.1%, water)

Visual Transition Interval:	From pH 5.5 (peach)
To     pH 7.3 (blue)

Effective Date: 01/13/09