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860-22-0 - Indigo carmine - Indigo-5,5'-disulfonic acid disodium salt - C.I. 73051 - A16052 - Alfa Aesar

A16052 Indigo carmine

CAS Number
860-22-0
Synonyms
Indigo-5,5'-disulfonic acid disodium salt
C.I. 73051

Size Price ($) Quantity Availability
25g 27.19
100g 75.60
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Indigo carmine

MDL
MFCD00005723
EINECS
212-728-8

Chemical Properties

Formula
C16H8N2Na2O8S2
Formula Weight
466.36
Melting point
>300°
Sensitivity
Light Sensitive
Solubility
Soluble in ethylene glycol monomethyl ether and ethanol. Slightly soluble in water and alcohol. Insoluble in benzene, chloroform and organic solvents.

Applications

Useful in the staining of Negri bodiesIndigo carmine is used as a food colorant, pH indicator and dissolved ozone indicator. It is used to detect amino fluid leaks, highlight portions of the urinary tract, tissue stains and tool for the determination of hypochlorite. As a dye in renal function, it is used in testing and detection of nitrates and chlorates, and in the testing of milk.

Notes

Light sensitive. Incompatible with strong oxidizing agents.

Literature References

Costa, A. L.; Gomes, A. C.; Pillinger, M.; Gonçalves, I. S.; de Melo, J. S. S. An Indigo Carmine-Based Hybrid Nanocomposite with Supramolecular Control of Dye Aggregation and Photobehavior. Chem. Eur. J. 2015, 21 (34), 12069-12078.

Agorku, E. S.; Kuvarega, A. T.; Mamba, B. B.; Pandey, A. C.; Mishra, A. K. Enhanced visible-light photocatalytic activity of multi-elements-doped ZrO2 for degradation of indigo carmine. J. Rare Earths 2015, 33 (5), 498-506.

GHS Hazard and Precautionary Statements

Hazard Statements: H302

Harmful if swallowed.

Precautionary Statements: P264-P270-P301+P312-P330-P501a

Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,4944
Beilstein
4103904
Harmonized Tariff Code
3204.12
TSCA
Yes
RTECS
DU3000000

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