BROMOCRESOL PURPLE ACS GRADE
BROMOCRESOL PURPLE ACS GRADE excellent quality manufacturer, exporter and supplier. Bromocresol purple sodium salt has been used as a pH indicator in the yeast culture media.
Bromocresol purple is a pH indicator. It changes from yellow (pH 5.2) to purple (6.8)
C.A.S. No.115-40-2
M.F.C21H16Br2O5S
M.W.540.24gm/mole
Specifications:
Dye Content (by Spectrophotometry)>95%
Transition RangepH 5.2-6.8
Yellow-Purple
Solubility 0.1% (95% EtOH)Clear solution
Absorption maximum (pH 5.2) ?1max427-431nm
Absorption maximum (pH 6.8) ?2max588-590nm
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%
APPLICATION : AS pH INDICATOR
APPLICATION :
AS pH INDICATOR
AS pH INDICATOR:
AS pH INDICATOR
