Date published: 2026-4-29

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3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester (CAS 1176-74-5)

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CAS Number:
1176-74-5
Molecular Weight:
661.96
Molecular Formula:
C22H14Br4O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester is extensively studied in the fields of analytical chemistry and sensor development due to its colorimetric properties. This compound is utilized in pH indicator formulations, where its ability to change color in response to pH variations is particularly valuable. Research on 3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester includes exploring its sensitivity and specificity in various solvent environments, which is critical for developing accurate and reliable pH sensors. Additionally, the stability of this compound under different environmental conditions and its response time to pH changes are rigorously tested to optimize its performance in real-world applications. Studies also investigate the potential of 3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester in creating visual assays for biochemical applications, enhancing its utility in scientific research.


3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester (CAS 1176-74-5) References

  1. Degradation of surface-active compounds in a constructed wetland determined using high performance liquid chromatography and extraction spectrophotometry.  |  Šíma, J., et al. 2013. J Environ Sci Health A Tox Hazard Subst Environ Eng. 48: 559-67. PMID: 23383641
  2. Application of a Lithium-ion Selective Metallacrown to Extraction-Spectrophotometric Determination of Lithium in Saline Water.  |  Katsuta, S., et al. 2018. Anal Sci. 34: 189-193. PMID: 29434105
  3. Spectrophotometric determination of total proteins in blood plasma: a comparative study among dye-binding methods  |  Zaia, D. A. M., Marques, F. R., & Zaia, C. T. B. V. 2005. Brazilian archives of biology and technology. 48: 385-388.
  4. A portable tool for colorimetric detection of corrosion inhibitors using paper-based analytical devices  |  Sousa, L. R., Silva-Neto, H. A., Campos, P. P., Duarte-Junior, G. F., Junior, I. M., Carvalho, R. M., & Coltro, W. K. 2022. Microchemical Journal,. 183: 108024.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3′,3",5′,5"-Tetrabromophenolphthalein ethyl ester, 250 mg

sc-254556
250 mg
$157.00