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Orange GGN: Difference between revisions

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Revision as of 22:31, 14 December 2011 editIantresman (talk | contribs)Extended confirmed users21,376 edits Category:E numbers← Previous edit Revision as of 22:43, 14 December 2011 edit undoCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (no changed fields - added verified revid - updated 'DrugBank_Ref', 'UNII_Ref', 'ChEMBL_Ref', 'ChEBI_Ref', 'KEGG_Ref', 'CASNo_Ref') per Chem/Drugbox validation (report [[Wikipedia_talk:WikiProject_Chemicals|er...Next edit →
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| StdInChIKey = CECHAJXICNIUQL-QIKYXUGXSA-L | StdInChIKey = CECHAJXICNIUQL-QIKYXUGXSA-L
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| CASNo = 2347-72-0 | CASNo = 2347-72-0
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Revision as of 22:43, 14 December 2011

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Orange GGN
Names
Other names 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid, disodium salt
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.017.340 Edit this at Wikidata
E number E111 (colours)
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C16H12N2O7S2.2Na/c19-15-7-4-10-8-13(27(23,24)25)5-6-14(10)16(15)18-17-11-2-1-3-12(9-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;Key: CECHAJXICNIUQL-QIKYXUGXSA-L
  • InChI=1/C16H12N2O7S2.2Na/c19-15-7-4-10-8-13(27(23,24)25)5-6-14(10)16(15)18-17-11-2-1-3-12(9-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;Key: CECHAJXICNIUQL-JLAJEUQUBK
SMILES
  • ..S(=O)(=O)c1cccc(c1)/N=N/c2c3ccc(cc3ccc2O)S()(=O)=O
Properties
Chemical formula C16H10N2Na2O7S2 (disodium salt)
Molar mass 452.369 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Orange GGN, also known as alpha-naphthol orange, is a food dye. In Europe it is denoted by the E Number E111. It is the disodium salt of 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid. It is currently delisted in Europe and USA, because toxicological data has shown it is harmful.

The absorption spectrum of Orange GGN and Sunset Yellow is nearly identical in visible and ultraviolet range, but they can be distinguished by their IR spectra.

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