Bromocresol Purple Free Acid

CAS No

115-40-2

Synonym(s)

5,5′-Dibromo-o-cresolsulfonphthalein;Bromcresol purple sultone form

Molecular Formula:

C₂₁H₁₆Br₂O₅S

Molecular Weight:

540.22

EC Number:

204-087-8

Colour Index Number:

–

PubChem CID:

8273

MDL number:

MFCD00011681

Specification SDS Available pack size: 10g, 25g, 50g, 100g

Bromocresol Purple Free Acid CAS: 115-40-2 | MF: C21H16Br2O5S | MW: 540.22, Buy now for reliable and Reproducible results from Tristains indicators.

Bromocresol Purple Free Acid is of the triarylmethane type of dye and it is normally available as a powder of purple color. Having a molecular formula of C21H16Br2O5S and a molecular weight of 540.22, this indicator shows a sharp and distinct color change between yellow and purple with a narrow pH range of around 5.2 to 6.8. It is not very soluble in water, but much more in the organic solvents like alcohol.

Applications

Applied in the determination of pH during titration and in the preparation of buffers.
Used in research in the area of protein characterization and enzyme kinetics.
They are used to measure pH variations in microbiological culture media.
Favors the classification of microorganisms according to metabolic activity.

Key features

Fitted to suit the needs of extremely accurate pH measurements.
Causes a sharp and distinct change of color to be easily interpreted.
Is consistent in terms of repetitive analytical processes.
Very useful in biochemical and microbiological tests.
An inexpensive alternative to complicated pH measurement systems.

General Description

Bromocresol Purple Free Acid (CAS: 115-40-2, MF: C 21H16Br2O5S, MW: 540.22) is a high-purity indicator dye that has diverse applications in titrations, buffer systems, and microbiological analysis and is pH-sensitive. Its strong yellow-to-purple color change renders it an imperative reagent to acquiring reliable and reproducible analytical outcomes.

This triarylmethane-type of dye is very popular in the laboratory community because of its versatility and reliability in performance in the biochemistry, microbiology, and analytical chemistry fields. All the batches of the TriStains family are manufactured in line with high quality standards to maintain the consistency of indicators. The convenient buying conditions, reliable supply, and professional grade quality of Bromocresol Purple Free Acid have ensured its reliability in the laboratories that need accuracy and reproducibility in their experiments that are dependent on pH.

About Brand

TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.