eosine YS


acid red 87; C.I. 45380; D&C red 22; 6'-dihydroxy-9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-3'-spiro[isobenzofuran-1(3~H) disodium salt; disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; eosin; eosine YS; 2',4',5',7'-tetrabromo-3',6'-dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt; 2,4,5,7-tetrabromo-3,6-dihydroxyxanthene-9-spiro-1'-3H-isobenzofuran-3'-one disodium salt
Links:
📖Houben-Weyl, 2. Band (Eosin); p. 1042
CAS RN:[17372-87-1]
Formula:C20H6Br4Na2O5; 691.86 g/mol
InChiKey:SEACYXSIPDVVMV-UHFFFAOYSA-L
SMILES:[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(=C3Oc4c(Br)c([O-])c(Br)cc24)Br
Molecular structure of eosine YS
Use:acid dye
Colour: