Naphthol yellow S
Appearance
(Redirected from Flavianic acid)
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Names | |
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Preferred IUPAC name
Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulfonate | |
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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3839220 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.011.537 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C10H4N2Na2O8S | |
Molar mass | 358.19 g·mol−1 |
Appearance | yellow solid |
Hazards | |
GHS labelling:[2] | |
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Warning | |
H317, H373 | |
P260, P261, P272, P280, P302+P352, P314, P333+P313, P363, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.[3]
References
[edit]- ^ Naphthol Yellow S at Sigma-Aldrich
- ^ "Naphthol Yellow S". pubchem.ncbi.nlm.nih.gov.
- ^ Sharma, Vinita; McKone, Harold T.; Markow, Peter G. (2011). "A Global Perspective on the History, Use, and Identification of Synthetic Food Dyes". Journal of Chemical Education. 88 (1): 24–28. Bibcode:2011JChEd..88...24S. doi:10.1021/ed100545v.