| Description | Indigo carmine (NSC-8646) is an indolesulfonic acid. It is used as a dye in renal function testing for the detection of nitrates and chlorates. |
| Synonyms | NSC-8646, NSC 8646, NSC8646, Indigotindisulfonate sodium, Brilliant Indigo, 酸性蓝 74 |
| molecular weight | 466.35 |
| Molecular formula | C16H8N2Na2O8S2 |
| CAS | 860-22-0 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | H2O: 18 mg/mL (38.60 mM), Sonication is recommended. DMSO: Soluble |
| References | 1. Herway ST, Pollock K, Fairbanks KE, Benumof JL. Diffuse Limb Discoloration with Indigotindisulfonate (Indigo Carmine®) and the Associated Implications. A A Case Rep. 2016 Apr 1;6(7):196-8. 2. Kesraoui A, Selmi T, Seffen M, Brouers F. Influence of alternating current on the adsorption of indigo carmine. Environ Sci Pollut Res Int. 2017 Apr;24(11):9940-9950. 3. Numata N, Oka S, Tanaka S, Yoshifuku Y, Miwata T, Sanomura Y, Arihiro K, Shimamoto F, Chayama K. Useful condition of chromoendoscopy with indigo carmine and acetic acid for identifying a demarcation line prior to endoscopic submucosal dissection for early gastric cancer. BMC Gastroenterol. 2016 Jul 19;16(1):72. 4. Ahn D, Ho Sohn J, Park J, Eun Lee J. Ultrasound-guided intratumoral indigo carmine injection for intraoperative, surgeon-performed tumor localization. Head Neck. 2014 Sep;36(9):1317-23. doi: 10.1002/hed.23455. Epub 2013 Nov 12. PubMed PMID: 23956066. |