The biological half-life is 4 to 5 minutes following intravenous injection. C=1(C=CC2=C(C1)C(\C(=C\3/NC=4C=CC(=CC4C3=O)S(O)(=O)=O)\N2)=O)S(O)(=O)=O, indigo carmine (acid form) It is an indicator at pH 11.5-14, changing from blue to yellow. It is also a pH indicator. It is approved for use as a food colorant in the U.S and E.U., It has the E number E132. EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 An organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. 1SD, UK     +44 (0)1223 49 44 44, Copyright © EMBL-EBI 2018 | EBI is an outstation of the European Molecular Sigma-Aldrich offers a number of Indigo carmine products. Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water. Food Yellow 4:1. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. It contains an indigo carmine(2-). It is also a pH indicator. 2. displays the TOC removal of 0.2 mM Indigo Carmine as a function of time under different initial solution pHs in the presence of 10 mM H 2 O 2, 1.0 g Fe-B/L, and 8W UVC.As the initial solution pH increases from 3.0 to 7.0, the mineralization kinetics becomes slower, indicating that the Fe-B nanocompsoite showed a decreased photo catalytic activity. The biological half-life is 4 to 5 minutes following intravenous injection. 11671 Yellow. Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water. Slightly sol in alcohol. 5 Aluminum Lake. Have questions or comments? Indigo carmine (E132, FD&C Blue #2) is an indigoid dye frequently used in tablet coating that is known to be less stable in light. C.I. Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water. Elimination of the dye begins soon after injection, appearing in the urine within 10 minutes in average cases. Indigo Carmine is excreted largely by the kidneys, retaining its blue color during passage through the body. As a pH indicator, it is blue at pH 11.4 and yellow at 13.0. The structural formula is: CLINICAL PHARMACOLOGY. Certolake Tartrazol Yellow. FD&C Yellow 5 Lake. Indigo carmine in a 0.2% aqueous solution is blue at pH 11.4 and yellow at 13.0. It has a role as a food colouring and a histological dye. 1. Sufficient Indigo Carmine (indigotindisulfonate) is contained in each 5 mL ampule to permit accurate withdrawal and … It is approved for use as a food colorant in the U.S and E.U. Japan Food Yellow No. In European countries, E-numbers for permitted food colours are from E 100 to E 199, divided into yellows (E 100-109), oranges (E 110-119), reds (E 120-129), blues and violets (E 130-139), greens (E 140-149), browns and blacks (E 150-159), and others (E 160-199). Tartrazine aluminum lake. It is also a pH indicator. It has a role as a food colouring, a histological dye and a two-colour indicator. Fig. 2. displays the TOC removal of 0.2 mM Indigo Carmine as a function of time under different initial solution pHs in the presence of 10 mM H 2 O 2, 1.0 g Fe-B/L, and 8W UVC.As the initial solution pH increases from 3.0 to 7.0, the mineralization kinetics becomes slower, indicating that the Fe-B nanocompsoite showed a decreased photo catalytic activity. Indigo carmine is an organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It has the E number E132. This service is an Elixir Core Data Resource. FD&C Yellow No. Biology Laboratory | Terms of use. It is approved for use as a food colorant in the U.S and E.U., It has the E number E132. It is also marketed as a paste with water, the dye contents varying according to specification or requirements of the user. It is also a pH indicator. (2E)-disodium salt 2-(1,3-dihydro-3-oxo-5-sulfo-2h-indol-2-ylidene)-2,3-dihydro-3-oxo-1h-indole-5-sulfonic acid; disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate; Disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate; Disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)indoline-5-sulfonate. The objective of this study was to investigate the color stability under different storage conditions of tablets that were coated with different coating formulations containing indigo carmine as a colorant. ChEBI Name indigo carmine (acid form) ChEBI ID CHEBI:90117: Definition A member of the class of indolones obtained by formal 2,2'-oxidative coupling of two molecules of 3 … 19140 Aluminum Lake. It is an indicator at pH 11.5-14, changing from blue to yellow. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. C.I. Watch the recordings here on Youtube! C.I. Indigo carmine is an indicator at pH 11.5-14, changing from blue to yellow. Indigo Carmine is excreted largely by the kidneys, retaining its blue color during passage through the body. Biology Laboratory. It is approved for use as a food colorant in the U.S and E.U., It has the E number E132. A member of the class of indolones obtained by formal 2,2'-oxidative coupling of two molecules of 3-oxo-2,3-dihydroindole-5-sulfonic acids. As a viability stain, it will stain dead cells blue while living cells remain unstained. View information & documentation regarding Indigo carmine, including CAS, MSDS & more. (, indigo carmine(2−) The LibreTexts libraries are Powered by MindTouch® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Indigo carmine is also a redox indicator, turning yellow upon reduction.Another use is as a dissolved ozone indicator through the conversion to isatin-5-sulfonic acid. Indigo Carmine - Clinical Pharmacology. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. This entity has been manually annotated by the ChEBI Team. Indigo carmine is … Fig. (, 2-(1,3-Dihydro-3-oxo-5-sulpho-2H-indol-2-ylidene)-3-oxoindoline-5-sulphonic acid. Elimination of the dye begins soon after injection, appearing in the urine within 10 minutes in average cases. ChEBI Name indigo carmine (acid form) ChEBI ID CHEBI:90117: Definition A member of the class of indolones obtained by formal 2,2'-oxidative coupling of two molecules of 3 … Find compounds which contain this structure, Find compounds which resemble this structure, European Molecular