CAS:548-24-3|Acid Red 91

Catalogue Number:A795298
Chemical Name:Acid Red 91
Synonyms:4′,​5′-​dibromo-​3′,​6′-​dihydroxy-​2′,​7′-​dinitro-​Spiro[isobenzofuran-​1(3H)​,​9′-​[9H]​xanthen]​-​3-​one sodium salt; 4’,5’-dibromo-2′,7′-dinitro-Fluorescein disodium salt; 4’,5’-dibromo-3′,6′-dihydroxy-2′,7′-dinitro-Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one disodium salt; C.I. 45400; C.I. Acid Red 91; Dibromodinitrofluorescein sodium; Eosin B; Eosin BA; Eosin scarlet; Eosine B; Eosine BA; Eosine BN; Eosine BNX; Eosine I Bluish; Eosine Scarlet; Saffrosine; Simacid Nitro Eosin 24669
CAS Number:548-24-3
Molecular Formula:C20H6Br2N2Na2O9
Molecular Weight:624.06
Category:Building Blocks; Miscellaneous;
Applications:Acid Red 91 is a dye used in the textile industry, and a water pollutant. Removal of Acid Red 91 from water is typically achieved via catalytic degradation, such as the use of ZnO sonocatalysts. Acid Red 91 is also used in the metal-​free, visible-​light-​mediated preparation of Csp2-​H radical mono- and bis-​trifluoromethylation of coumarins. Dyes and metabolites.
References:Yu, X.; et al.: ChemCatChem, 10, 5115 (2018); Mahdavi, R.; et al.: Ultrason. Sonochem., (2018).
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