Products / pH Indicators

BROMOXYLENOL BLUE Print Download

C.A.S. No. 40070-59-5
M.F. C23H20Br2O5S
M.W. 568.29gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 5.7-7.4
Yellow-Blue
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 5.7) ?1max 432-437nm
Absorption maximum (pH 7.4) ?2max 613-615nm
Absorptivity (A1%/1cm at pH 5.7 at ?1max) 300-330
Absorptivity (A1%/1cm at pH 7.4 at ?2max) 500-540
Loss On Drying (110°C) <3%
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