Indigo Carmine

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indigo carmine

[′in·də·gō ′kär·mən]
(organic chemistry)
C16H8N2Na2O8S2 A dark blue powder with coppery luster; used as a dye in testing kidney function and as a reagent in detecting chlorate and nitrate. Also known as soluble indigo blue.

Indigo Carmine


the disodium salt of indigo-5, 5’-disul-fonic acid, derived by sulfonating indigo. Readily soluble in water, it is used to make inks and food colors and as a chemical indicator. Indigo carmine is not used as a textile dye because of its poor resistance to light.


Kogan, I. M. Khimiia krasitelei. Moscow, 1956.
References in periodicals archive ?
There were no issues during the operation until the surgical team requested the anesthesia team to give 5 ml of indigo carmine (0.
An airtight bottle containing a reduced indigo carmine solution, sealed by flame, was used as a control.
Results of indigo carmine and 3-nitropherol's oxidation with both Ruff's and Fenton's systems with various pH values of reaction medium (see the Table) has been generally consistent with current knowledge about optimal pH interval (2,5-3,5).
The change in concentration of the indigo carmine was recorded by change in color using spectrophotometer.
Compared with both indigo carmine and methylene blue, fluorescein was preferred, Dr.
The administration of IV dye such as indigo carmine dye should be used only after the surgical procedure is complete to provide clearer confirmation that the ureters are patent, compared with when it is given before or during the procedure.
I read with interest the editorial covering the shortage of indigo carmine.
It is particularly important to note abundant spillage of indigo carmine solution when the proximal tubal stump is opened.
place indigo carmine in the bladder before starting the case
Cystoscopy with IV indigo carmine is performed at the end of the procedure to exclude unintentional urethral extraction/kinking.
The patient is given IV indigo carmine to ensure the ureters are not compromised, and a cystoscopy is performed at the conclusion of the case to confirm function.