Products / pH Indicators

BROMOCRESOL PURPLE SODIUM SALT (ACS GRADE) Print Download

C.A.S. No. 62625-30-3
M.F. C21H16Br2O5SNa
M.W. 562.22gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Transition Range pH 5.2-6.8
Yellow-Purple
Solubility 0.1% (Dist. Water) Clear solution
Absorption maximum (in 0.1N NaOH) ?max 588-590nm
Absorptivity (A1%/1cm in 0.1N NaOH at ?max) >840
Loss On Drying (110°C) <5%
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