dvr BROMOCRESOL PURPLE ACS GRADE

BROMOCRESOL PURPLE ACS GRADE excellent quality manufacturer, exporter and supplier. 
 
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

Technical Specifications:

 

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%

Note: This article uses material from the http://rxmarine.com/