Eosin B
Agent Name
Eosin B
CAS Number
548-24-3
Formula
C20-H8-Br2-N2-O9.2Na
Major Category
Dyes
Synonyms
C.I. 45400; C.I. Acid Red 91; Dibromodinitrofluorescein sodium; Eosin BA; Eosine B; Eosine BA; Eosine BN; Eosine BNX; Eosine I Bluish; Saffrosine; 2-(4,5-Dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, sodium salt (1:2); [ChemIDplus] 4′,5′-Dibromo-3′,6′-dihydroxy-2′,7′-dinitrospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one disodium salt; 4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt; Hydroxydibromodinitro-o-carboxyphenylfluorone sodium; [Merck Index] Eosin Scarlet; Acid Red 91; [Sigma-Aldrich MSDS]
Category
Di- and Triaryl Dyes
Description
Red solid; [Merck Index] Dark brown powder; [Sigma-Aldrich MSDS]
Sources/Uses
Used as a dye (wool, cotton, and paper) and histological stain; [Merck Index]
Comments
May cause irritation; [Sigma-Aldrich MSDS] See "Eosine Yellowish-(YS)" and "Rose Bengal."
Biomedical References
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: