Bromocresol Green Free Acid

CAS No

76-60-8

Synonym(s)

3′,3′′,5′,5′′-Tetrabromo-m-cresolsulfonephthalein

Molecular Formula:

C₂₁H₁₄Br₄O₅S

Molecular Weight:

698.01

EC Number:

200-972-8

Colour Index Number:

–

PubChem CID:

6451

MDL number:

MFCD00005874

Specification SDS

Bromocresol Green Free Acid CAS: 76-60-8 | M.F: C21H14Br4O5S | M.W.: 698.01, Buy now for accurate and Reproducible results from Tristains indicators. All Tristains products are exclusively distributed by Dawn Scientific Inc.

Bromocresol green is a triarylmethane dye. It typically appears as a solid powder with a yellow-green color. Bromocresol green can be used in its free acid form (light brown solid). Its chemical formula is C21H14Br4O5S. Bromocresol green is sparingly soluble in water but more soluble in organic solvents like alcohol. It exhibits a sharp color change from yellow to blue over a narrow pH range (around pH 3.8 to 5.4). Bromocresol green (BCG) free acid is a pH indicator commonly used in laboratories for various applications. Bromocresol green free acid is a valuable tool in the laboratory for pH determination and related experiments.

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Application :

Bromocresol green free acid is used as a pH indicator in applications such as growth mediums for microorganisms and titrations.
In biochemistry, BCG is often used to monitor pH changes in reaction mixtures, particularly in enzymatic assays and protein characterization studies.
It can also be used in microbiology for detecting pH changes in culture media, helping to differentiate between bacterial species based on their metabolic activities.