Bromocresol Green (BCG) is a dye of the triphenylmethane family (triarylmethane dyes).It belongs to a class of dyes called sulfonephthaleins.
A stain used in histologic and pathologic studies to stain cellular components with a pH of 3.8 to 5.4, and in microbiology as aculture medium for yeasts.
Bromocresol Green (BCG) is a triphenylmethane dye that is used as a pH indicator for titration, DNA agarose gel electrophoresis, and microbiological growth media. Its chemical formula is C21H14Br4O5S. The aqueous indicator is yellow below pH 3.8 and blue above pH
Properties of Bromocresol Green (BCG) :-
1.Chemical Formula : C21H14Br4O5S.
2. Odor : Odorless.
3.Solubility in other solvent : Soluble in benzene; very soluble in ethanol and diethyl ether.
4.Water Solubility : Sparingly soluble.
Applications Of Bromocresol Green (BCG):-
1. It is used as a pH indicator and as a tracking dye for DNA agarose gel electrophoresis.
2. It can be used in its free acid form (light brown solid), or as a sodium salt (dark green solid).
3. It is also an inhibitor of the prostaglandin E2 transport protein. Additional applications include use in sol-gel matrices,[8] the detection of ammonia,and the measurement of albumin in human plasma and serum.
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