Categories: Stains Indicator Reagents-69
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Product Short Description: BROMOCRESOL GREEN ACS GRADE pH indicator
Product Description:
BROMOCRESOL GREEN ACS GRADE excellent quality manufacturer, exporter and supplier.
 
Product Application:
Bromocresol Green (BCG) is a pH sensitive triphenylmethane dye useful in a variety of colorimetric detection technologies. BCG is used as a tracking dye for DNA agarose gel electrophoresis, in protein determinations and in charge-transfer complexation processes. In TLC BCG is used for visualisation of the compounds with functional groups whose pKa is below 5.0.
Product Dose:
Product Note:
Appearance (Color) :-  Dark Green to Brown to Black
Appearance (Form):-  Crystal to Powder
Infrared spectrum :- Conforms to Structure
Appearance (Color) :-  Dark Green to Brown to Black
Appearance (Form):-  Crystal to Powder
Infrared spectrum :- Conforms to Structure
 
Product Technical Specification:

 

C.A.S. No. 76-60-8
M.F. C21H14Br4O5S
M.W. 698.04gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 3.8-5.4
  Greenish Yellow-Blue
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 3.8) ?1max 438-443nm
Absorption maximum (pH 5.4) ?2max 615-618nm
Absorptivity (A1%/1cm at pH 3.8 at ?1max) 240-270
Absorptivity (A1%/1cm at pH 5.4 at ?2max) 530-570
Loss On Drying (110°C) <3%
Remarks:
prod_useful_area:
Product Supply Location:
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