Date published: 2025-11-2

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Indigo carmine (CAS 860-22-0)

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Alternate Names:
Acid Blue 74; Indigo-5,5′-disulfonic acid disodium salt
Application:
Indigo carmine is a tissue stain, pH indicator, and tool for the determination of hypochlorite
CAS Number:
860-22-0
Molecular Weight:
466.35
Molecular Formula:
C16H8N2Na2O8S2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Indigo carmine is a dye consisting of an indigo dimer with sodium salts of sulfonic acids at positions 5 and 5′. This compound has been used as a tissue stain, a pH indicator, and as a tool for the determination of hypochlorite in solutions.


Indigo carmine (CAS 860-22-0) References

  1. Oxidative degradation of indigocarmine by hypochlorite--a tool for determination of hypochlorite in commercial samples.  |  Harriram, A., et al. 2003. J Environ Sci Health A Tox Hazard Subst Environ Eng. 38: 1055-64. PMID: 12774908
  2. REFINEMENT OF COLORIMETRIC METHODS WITH SPECIAL REFERENCE TO INDIGO CARMINE AS A FUNCTIONAL TEST: A PRELIMINARY REPORT.  |  Reinle, GG. and Depuy, ES. 1920. Cal State J Med. 18: 49-52. PMID: 18738104
  3. Like methylene blue, indigo carmine might counteract vasoplegia: hemodynamic evidence obtained with pulse contour analysis.  |  Archer, TL. 2009. J Clin Anesth. 21: 544-6. PMID: 20006269
  4. Indigocarmine as a quantitative indicator of urothelial integrity.  |  Monson, FC., et al. 1991. J Urol. 145: 842-5. PMID: 2005716
  5. Preoperative localization of cystic lesions in the knee using ultrasound-guided injection of indigo carmine.  |  Park, HJ., et al. 2010. J Clin Ultrasound. 38: 305-8. PMID: 20544866
  6. Acetic acid-indigo carmine chromoendoscopy for delineating early gastric cancers: its usefulness according to histological type.  |  Lee, BE., et al. 2010. BMC Gastroenterol. 10: 97. PMID: 20731830
  7. Effects of Indigo Carmine on Growth, Cell Division, and Morphology of Allium cepa L. Root Tip.  |  Ristea, ME. and Zarnescu, O. 2024. Toxics. 12: PMID: 38535927
  8. Indigo Carmine Chromoendoscopy for the Diagnosis of Minor Structural Alterations of the Vocal Fold Cover. A New Application for the Technique.  |  Gonzalo, RCD. and Pablo, RCE. 2024. J Voice.. PMID: 38796396
  9. Facile synthesis of TiO2@ZnO nanoparticles for enhanced removal of methyl orange and indigo carmine dyes: Adsorption, kinetics.  |  Ben Aissa, MA., et al. 2024. Heliyon. 10: e31351. PMID: 38831816
  10. Virtual indigo carmine chromoendoscopy images: A novel modality for peroral cholangioscopy using artificial intelligence technology (with video).  |  Sato, R., et al. 2024. Gastrointest Endosc.. PMID: 38879044

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Indigo carmine, 5 g

sc-206056B
5 g
$20.00

Indigo carmine, 25 g

sc-206056
25 g
$56.00

Indigo carmine, 100 g

sc-206056A
100 g
$168.00