Synonyms:  CI Food Red 17, ALLURA RED AC Defination:  Allura Red AC consists essentially of disodium \n2-hydroxy-1-(2-methoxy-5-methyl-4-sulfonato-phenylazo) \nnaphthalene-6-sulfonate and subsidiary colouring matters together with \nsodium chloride and/or sodium sulfate as the principal uncoloured \ncomponents. Allura Red AC is described as the sodium salt. Class:  Monoazo Color Index:  16035 Einecs:  247-368-0 Chemical Name:  Disodium 2-hydroxy-1-(2-methoxy-5-methyl-4-sulfonatophenylazo)naphthalene-6-sulfonate Chemical Formula:  C18H14N2Na2O8S2 Molecular Weight:  496,42 View Specification

Synonyms:  CI Food Red 14, ERYTHROSINE Defination:  Erythrosine consists essentially of disodium \n2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl) benzoate monohydrate and\n subsidiary colouring matters together with water, sodium chloride and/or sodium \nsulfate as the principal uncolored components. Erythrosine is \ndescribed as the sodium salt. Class:  Xanthen Color Index:  45430 Einecs:  240-474-8 Chemical Name:  Disodium 2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate monohydrate Chemical Formula:  C20H6I4Na2O5.H2O Molecular Weight:  897,88 View Specification

Synonyms:  CI Food Yellow 3, Orange Yellow S, SUNSET YELLOW FCF Defination:  Sunset Yellow FCF consists essentially of \ndisodium 2-hydroxy-1-(4-sulfonatophenylazo) naphthalene-6-sulfonate and\n subsidiary colouring matters together with sodium chloride and/or sodium sulfate as the \nprincipal uncolored components. Sunset Yellow FCF is described as the \nsodium salt. Class:  Monoazo Color Index:  15985 Einecs:  220-491-7 Chemical Name:  Disodium 2-hydroxy-1-(4-sulfonatophenylazo)naphthalene-6-sulfonate Chemical Formula:  C16H10N2Na2O7S2 Molecular Weight:  452,37

Synonyms:  CI Food Yellow 4, TARTRAZINE Defination:  Tartrazine consists essentially of trisodium \n5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-H-pyrazole-3-carboxylate\n and subsidiary colouring matters together with sodium chloride and/or sodium \nsulfate as the principal uncoloured components. Tartrazine is described\n as the sodium salt. Class:  Monoazo Color Index:  19140 Einecs:  217-699-5 Chemical Name:  Trisodium-5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-Hpyrazole-3-carboxylate Chemical Formula:  C16H9N4Na3O9S2 Molecular Weight:  534,37 View Specification

Synonyms:  CI Food Blue 1, INDIGOTINE, INDIGO CARMINE Defination:  Indigotine consists essentially \nof a mixture of disodium \n3,3′dioxo-2,2′-bi-indolylidene-5,5′-disulfonate, and disodium \n3,3′-dioxo-2,2′-bi-indolylidene-5,7′-disulfonate and subsidiary colouring matters\n together with sodium chloride and/or sodium sulfate as the principal \nuncoloured components. Indigotine is described as the sodium salt. Class:  Indigoid Color Index:  73015 Einecs:  212-728-8 Chemical Name:  Disodium 3,3′-dioxo-2,2′-bi-indolylidene-5,5′-disulfonate Chemical Formula:  C16H8N2Na2O8S2 Molecular Weight:  466,36 View Specification

Synonyms:  CI Food Blue 2, BRILLIANT BLUE FCF Defination:  Brilliant Blue FCF consists essentially of disodium \nα-(4-(N-ethyl-3-sulfonatobenzylamino) \nphenyl)-α-(4-N-ethyl-3-sulfonatobenzylamino) cyclohexa-2,5-dienylidene) \n toluene-2-sulfonate and its isomers and subsidiary coloring matters \ntogether with sodium chloride and/or sodium sulfate as the principal uncolored components. Color Index:  42090 Einecs:  223-339-8 Chemical Name:  Disodium α-(4-(N-ethyl-3-sulfonatobenzylamino) phenyl)-α-(4-N-ethyl-3-sulfonatobenzylamino) cyclohexa-2,5-dienylidene) toluene-2-sulfonate Chemical Formula:  C37H34N2Na2O9S3 Molecular Weight:  792,84 View Specification