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Green S

Catalog Number DYE-AFC-0014
CAS Number 3087-16-9
Structure
Description Green S is a green synthetic coal tar triarylmethane dye.
Synonyms Food green S, green 4, acid green 50, lissamine green B, wool green S, C.I. 44090, E142
IUPAC Name Sodium 4-[(4-dimethylaminophenyl)-(4-dimethylazaniumylidene-1-cyclohexa-2,5-dienylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate
Molecular Weight 576.62
Molecular Formula C27H25N2O7S2Na
Canonical SMILES [Na+].[O-]S(=O)(=O)c1ccc4c(c1)cc(c(O)c4/C(=C2\C=C/C(=[N+](/C)C)/C=C2)c3ccc(N(C)C)cc3)S([O-])(=O)=O
InChI 1S/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1
InChI Key WDPIZEKLJKBSOZ-UHFFFAOYSA-M
Melting Point 210 °C (410 °F; 483 K) (decomposes)
Application Green S can be used in mint sauces, desserts, gravy granules, candies, ice cream and canned peas.
CI Number C.I. 44090
EC Number 243-654-4
E Number E142

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