Indigo carmine, pH indicator and tissue stain (ab146352)

Overview

  • Product name

    Indigo carmine, pH indicator and tissue stain
  • Description

    pH indicator and tissue stain.
  • Alternative names

    • Acid Blue 74
    • C.I. 73015
    • FD&C Blue No. 2
    • Indigocarmine
    • Indigotine
    see all
  • Biological description

    pH indicator (blue at pH 11.4 and yellow at 13.0). Tissue stain. Also a tool for the determination of hypochlorite.


     Absorption: λmax 608 nm

  • CAS Number

    860-22-0
  • Chemical structure

    Chemical Structure

Properties

  • Chemical name

    2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-Indole-5-sulfonic acid disodium salt
  • Molecular weight

    466.40
  • Molecular formula

    C16H8N2Na2O8S2
  • Storage instructions

    Store at Room Temperature. The product can be stored for up to 12 months.
  • Solubility overview

    Soluble in water to 10 mM
  • Handling

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

  • Source

    Synthetic

References

This product has been referenced in:

  • Colegate SM  et al. Pro-toxic dehydropyrrolizidine alkaloids in the traditional Andean herbal medicine "asmachilca". J Ethnopharmacol 172:179-94 (2015). Read more (PubMed: 26087231) »
  • Harriram A  et al. Oxidative degradation of indigocarmine by hypochlorite--a tool for determination of hypochlorite in commercial samples. J Environ Sci Health A Tox Hazard Subst Environ En 38:1055-64 (2003). Read more (PubMed: 12774908) »
  • Monson FC  et al. Indigocarmine as a quantitative indicator of urothelial integrity. J Urol 145:842-5 (1991). Read more (PubMed: 2005716) »

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