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

BROMOXYLENOL BLUE

Synonyms:				3,3-Dibromo-m-xylenolsulfonephthalein

CAS No.:				40070-59-5

Chemical Formula:			C23H20Br2O5S

Formula Weight:			568.27

Appearance:				Off White to Violet to Purple Powder or Crystals

Identification:			Conforms to Structure

Absortivity 1%, 1cm
pH 6.0 at λ max 435nm		>300
pH 7.4 at λ max 614nm		>500

Solubility:				Clear yellow to Orange to Red solution
0.1% (E+OH)

Visual Transition Interval:	pH 6.0 Yellow to pH 7.6 Blue

Loss on drying:			< 3%

Effective: 03/16/12