Product : Bromocresol Purple
C.A.S. No. : 115-40-2
M.F. : C21H16Br2O5S
M.W. : 540.24gm/mole
Specifications:
Dye Content (by Spectrophotometry) >95%
Transition Range pH 5.2-6.8
Yellow-Purple
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 5.2) ?1max 427-431nm
Absorption maximum (pH 6.8) ?2max 588-590nm
Absorptivity (A1%/1cm at pH 5.2 at ?1max) 400-500
Absorptivity (A1%/1cm at pH 6.8 at ?2max) 1000-1100
Loss On Drying (110�°C) <1%
Product Description:
Bromocresol Purple is a water-soluble dye used as a protein probe. It has been used in the spectrophotometric determination of serum-albumin. It is also a pH indicator with a transition interval from 5.2 - 6.8 (yellow to purple).
Bromocresol Purple(CAS:115-40-2)