BROMOCRESOL GREEN INDICATOR SOLUTION
SKU: RXSOL-60-6604-098
Category: Lab Chemical-60
Bromocresol green indicator (BCG) is a dye of the triphenylmethane family (triarylmethane dyes). It belongs to a class of dyes called sulfonephthaleins. It is used as a pH indicator in applications such as growth mediums for microorganisms and titrations.
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Bromocresol green indicator (BCG) is a dye of the triphenylmethane family (triarylmethane dyes).
It belongs to a class of dyes called sulfonephthaleins. It is used as a pH indicator in applications
such as growth mediums for microorganisms and titrations.
Between pH values of 3.8 and 5.4 it appears green. The dye is only sparingly soluble in water, so it may be dissolved in ethanol or certain organic solvents
BROMOCRESOL GREEN INDICATOR SOLUTION used as a pH indicator and as a tracking dye for DNA agarose gel electrophoresis. It can be used in its free acid form (light brown solid), or as a sodium salt (dark green solid). Intended Use Bromo Cresol Green Indicator is recommended as a pH indicator in growth medium for microorganisms.
In aqueous solution, bromocresol green will ionize to give the monoanionic form (yellow), that further deprotonates at higher
pH to give the dianionic form (blue), which is stabilized by resonance The acid dissociation constant (pKa) of this reaction
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