Date published: 2025-9-24

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Bromocresol Green sodium salt (CAS 62625-32-5)

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Alternate Names:
sodium alpha-(3,5-dibromo-2-methyl-4-oxo-2,5-cyclohexadienylidene)-alpha-(3,5-dibromo-4-hydroxyphenyl)toluenesulfonate
Application:
Bromocresol Green sodium salt is a dye used as a pH indicator
CAS Number:
62625-32-5
Molecular Weight:
720.00
Molecular Formula:
C21H13Br4NaO5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Bromocresol Green sodium salt (BCG) is a dye of the triphenylmethane family (triarylmethane dyes). BCG is used as a pH indicator and as a tracking dye for DNA agarose gel electrophoresis. It also binds quantitatively with human albumin forming an intense blue-green complex. Transition Interval: pH 3.8 (yellow) to pH 5.4 (blue).


Bromocresol Green sodium salt (CAS 62625-32-5) References

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  4. Measuring the Henry's Law Constant for Carbon Dioxide and Water with UV-visible Absorption Spectroscopy.  |  Dukes, AD. 2020. Anal Sci. 36: 971-975. PMID: 32092731
  5. Modular Cross-Linking of Gelatin-Based Thiol-Norbornene Hydrogels for in Vitro 3D Culture of Hepatocellular Carcinoma Cells.  |  Greene, T. and Lin, CC. 2015. ACS Biomater Sci Eng. 1: 1314-1323. PMID: 33429678
  6. Isopropanol production with reutilization of glucose-derived CO2 by engineered Ralstonia eutropha.  |  Subagyo, DCH., et al. 2021. J Biosci Bioeng. 132: 479-486. PMID: 34507913
  7. Exploring albumin-sulfonephthalein dyes interactions by a chemometric-assisted and multi-technique equilibria analysis in solution.  |  Magnaghi, LR., et al. 2024. Spectrochim Acta A Mol Biomol Spectrosc. 317: 124421. PMID: 38759394
  8. Application of the BTEM family of algorithms to reconstruct individual UV–Vis spectra from multi-component mixtures  |  Gao, F., Zhang, H., Guo, L., & Garland, M. 2009. Chemometrics and Intelligent Laboratory Systems. 95(1): 94-100.
  9. Photochromism based on reversible proton transfer  |  Chen, H., & Liao, Y. 2015. Journal of Photochemistry and Photobiology A: Chemistry. 300: 22-26.
  10. Influences of alcohol and diol on the aggregation behaviour, modes of interaction and the thermodynamic properties of the mixture of bromocresol green dye and sodium dodecyl sulphate at numerous temperatures  |  Islam, M., Hossain, M., Mahbub, S., Hoque, M. A., Kumar, D., Wabaidur, S. M.,.. & Kabir, M. 2021. Molecular Physics. 119(12): e1925364.
  11. Paper‐Based Wearable Patches for Real‐Time, Quantitative Lactate Monitoring  |  Ruggeri, E., Matzeu, G., Vergine, A., De Nicolao, G., & Omenetto, F. G. 2024. Advanced Sensor Research. 3(2): 2300141.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Bromocresol Green sodium salt, 25 g

sc-206036
25 g
$153.00

Bromocresol Green sodium salt, 100 g

sc-206036A
100 g
$363.00