Disperse Blue 291

• CAT Number: M002623
• CAS Number: 56548-64-2
• Molecular Formula: C19H21BrN6O6
• Molecular Weight: 509.317
• Purity: ≥95%
• Storage: Store at -20C
• IUPAC Name: N-[2-[(2-bromo-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)-4-methoxyphenyl]acetamide
• InChI: InChI=1S/C19H21BrN6O6/c1-5-24(6-2)16-9-14(21-11(3)27)15(10-18(16)32-4)22-23-19-13(20)7-12(25(28)29)8-17(19)26(30)31/h7-10H,5-6H2,1-4H3,(H,21,27)
• InChIKey: QRKGKRSGMAWUMO-UHFFFAOYSA-N
• SMILES: CCN(CC)C1=C(C=C(C(=C1)NC(=O)C)N=NC2=C(C=C(C=C2Br)[N+](=O)[O-])[N+](=O)[O-])OC

Disperse Blue 291 (CAS 56548-64-2) is a commercial disperse dye used in fabric dyes and printing. It is also used for metabolites and environmental testing.

Reference

1: Tsuboy MS, Angeli JP, Mantovani MS, Knasmüller S, Umbuzeiro GA, Ribeiro LR. Genotoxic, mutagenic and cytotoxic effects of the commercial dye CI Disperse Blue 291 in the human hepatic cell line HepG2. Toxicol In Vitro. 2007 Dec;21(8):1650-5. Epub 2007 Jul 21. PubMed PMID: 17728095.
2: de Aragão Umbuzeiro G, Freeman H, Warren SH, Kummrow F, Claxton LD. Mutagenicity evaluation of the commercial product CI Disperse Blue 291 using different protocols of the Salmonella assay. Food Chem Toxicol. 2005 Jan;43(1):49-56. PubMed PMID: 15582195.
3: Vacchi FI, Vendemiatti JAS, da Silva BF, Zanoni MVB, Umbuzeiro GA. Quantifying the contribution of dyes to the mutagenicity of waters under the influence of textile activities. Sci Total Environ. 2017 May 26;601-602:230-236. doi: 10.1016/j.scitotenv.2017.05.103. [Epub ahead of print] PubMed PMID: 28554114.
4: de Oliveira RL, Anderson MA, Umbuzeiro Gde A, Zocolo GJ, Zanoni MV. Assessment of by-products of chlorination and photoelectrocatalytic chlorination of an azo dye. J Hazard Mater. 2012 Feb 29;205-206:1-9. doi: 10.1016/j.jhazmat.2011.10.060. Epub 2011 Nov 29. PubMed PMID: 22230753.