The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
An organic sodium salt having 3-[(ethyl{4-[(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(phenyl)methylidene]cyclohexa-2,5-dien-1-ylidene}azaniumyl)methyl]benzene-1-sulfonate. Used as a substitute for Light green SF yellowish in Masson's trichrome, although it is prone to fade. Previously used as a food dye but is now no longer approved.
Acid green 3; C.I. 42085; C.I. Acid Green 3; C.I. Acid Green 3, monosodium salt; C.I. Acid Green 3, sodium salt; C.I. Food Green 1; FD and C green No. 1; Formula=C37H35N2NaO6S2; Guinee green; InChI=1S/C37H36N2O6S2.Na/c1-3-38(26-28-10-8-14-35(24-28)46(40,41)42)33-20-16-31(17-21-33)37(30-12-6-5-7-13-30)32-18-22-34(23-19-32)39(4-2)27-29-11-9-15-36(25-29)47(43,44)45;/h5-25H,3-4,26-27H2,1-2H3,(H-,40,41,42,43,44,45);/q;+1/p-1; InChIKey=XKTMIJODWOEBKO-UHFFFAOYSA-M; SMILES=[Na+].C/1(=C(/C2=CC=C(C=C2)N(CC)CC3=CC(=CC=C3)S([O-])(=O)=O)\\C4=CC=CC=C4)\\C=C/C(=[N+](\\CC5=CC(=CC=C5)S([O-])(=O)=O)/CC)/C=C1; guinea green B; guinia green B