Names | |
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IUPAC name
Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulfonate
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Other names
Acid Yellow 1; Food Yellow 1; Sodium flavianate; Flavianic acid, sodium salt; C.I. 10316, Acid Yellow S, Amacid Yellow S, C.I. 10316, C.I. Acid Yellow 1, C.I. Food Yellow 1
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ECHA InfoCard | 100.011.537 |
PubChem CID
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Properties | |
C10H4N2Na2O8S | |
Molar mass | 358.19 g·mol−1 |
Appearance | yellow solid |
Hazards | |
S-phrases (outdated) | S22 S24/25 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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what is ?) | (|
Infobox references | |
Naphthol yellow S is an organic compound that is a dye. It is a derivative of 1-naphthol. At one time it was a popular food colorant but it was delisted in 1959 in the U.S.