Date published: 2026-7-28

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Rhodamine B (CAS 81-88-9)

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Alternate Names:
Basic Violet 10; Brilliant Pink B; Rhodamine O; Tetraethylrhodamine
CAS Number:
81-88-9
Purity:
≥95%
Molecular Weight:
479.01
Molecular Formula:
C28H31ClN2O3
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Rhodamine B is a useful fluorochrome for histology due to its fluorescent properties in ultraviolet light. It ejects an electron onto TiO2, which is then scavenged by O2 forming the O2- radical anion. This anion ultimately becomes the OH radical. A pH-independent process degrades Rhodamine B in TiO2 dispersions containing no dodecylbenzenesulfonate. The compound has been incorporated in a FRET system based on lanthanide-doped nanoparticles for monioring biological effects. Rhodamine B has also been used as a mitochondrial probe to study the energetic state of multi-drug resistant and sensitive cells where the mitochondrial Rhodamine B concentration was precisely determined with the loss of fluorescence in the presence of MTT Formazan (sc-215399), a fluorescence quencher. In addition, Rhodamine B has been observed to significantly reduce the number of human lip fibroblast cells in culture.


Rhodamine B (CAS 81-88-9) References

  1. Rhodamine B as a mitochondrial probe for measurement and monitoring of mitochondrial membrane potential in drug-sensitive and -resistant cells.  |  Reungpatthanaphong, P., et al. 2003. J Biochem Biophys Methods. 57: 1-16. PMID: 12834959
  2. Inhibitory effect of rhodamine B on the proliferation of human lip fibroblasts in culture.  |  Kaji, T., et al. 1991. Toxicology. 68: 11-20. PMID: 1871776
  3. An efficient and biocompatible fluorescence resonance energy transfer system based on lanthanide-doped nanoparticles.  |  Di, W., et al. 2010. Nanotechnology. 21: 455703. PMID: 20947939
  4. Mitocanic Di- and Triterpenoid Rhodamine B Conjugates.  |  Hoenke, S., et al. 2020. Molecules. 25: PMID: 33233650
  5. Sustainable approaches for removing Rhodamine B dye using agricultural waste adsorbents: A review.  |  Al-Gheethi, AA., et al. 2022. Chemosphere. 287: 132080. PMID: 34509011
  6. Fluorescein and Rhodamine B-Binding Domains from Autodisplayed Fv-Antibody Library.  |  Jung, J., et al. 2021. Bioconjug Chem. 32: 2213-2223. PMID: 34617729
  7. Elimination of rhodamine B from textile wastewater using nanoparticle photocatalysts: A review for sustainable approaches.  |  Al-Buriahi, AK., et al. 2022. Chemosphere. 287: 132162. PMID: 34826899
  8. Comparison of rhodamine 6G, rhodamine B and rhodamine 101 spirolactam based fluorescent probes: A case of pH detection.  |  Deng, F., et al. 2022. Spectrochim Acta A Mol Biomol Spectrosc. 268: 120662. PMID: 34865976
  9. Rhodamine B dye degradation using used face masks-derived carbon coupled with peroxymonosulfate.  |  Ramanathan, S., et al. 2023. Environ Pollut. 324: 121386. PMID: 36868547
  10. Enhanced Rhodamine B degradation by GAC/Mn-Sn particles electrodes.  |  Yang, Z., et al. 2023. Water Sci Technol. 87: 1552-1570. PMID: 37001165

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Rhodamine B, 25 g

sc-203756
25 g
$37.00

Rhodamine B, 100 g

sc-203756A
100 g
$73.00

Rhodamine B, 500 g

sc-203756B
500 g
$226.00