Citrus Red 2
| Citrus Red 2 | |
|---|---|
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| IUPAC name 1-(2,5-Dimethoxy-phenylazo)-naphthalen-2-ol | |
| Other names Citrus Red No. 2, C.I. Solvent Red 80, C.I. 12156, E121 | |
| Identifiers | |
| CAS number | 6358-53-8  |
| PubChem | 9570225 |
| ChemSpider | 16735746 |
| KEGG | C19214 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C18H16N2O3 |
| Molar mass | 308.33 g mol−1 |
| Appearance | Orange to yellow solid or a dark red powder |
| Melting point | 156 °C; 313 °F; 429 K |
| Solubility in water | Insoluble |
(verify) (what is: / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
| Infobox references | |
Citrus Red 2, Citrus Red No. 2, C.I. Solvent Red 80, or C.I. 12156 is an artificial dye. As a food dye, it has been permitted by the US Food and Drug Administration (FDA) since 1956 to color the skin of oranges.[1][2][3][4] Citrus Red 2 is listed by the International Agency for Research on Cancer (IARC) as a group 2B carcinogen, a substance "possibly carcinogenic to humans".[5]
Properties
Citrus Red 2 is an orange to yellow solid or a dark red powder with a melting point of 156 °C. It is not soluble in water, but is readily soluble in many organic solvents.
References
- ↑ Anonymous. 1988. Florida Citrus Fruit Laws. Florida Statutes. 601.
- ↑ Code of Federal regulations Title 21 Part 74.302 (21 CFR 74.302)
- ↑ Hall, David J (1989). "Peel Disorders of Florida Citrus as Related to Growing Area and Color-add formulations". Proc. Fla. State Hort. Soc. 102: 243–246.
- ↑ Hall, David J. and David Sorenson. 2006. Washing, Waxing, and Color-Adding. (Chapter 15 In: Fresh Citrus Fruits, Second Edition. Wilfred F. Wardowski, William M. Miller, David J. Hall and William Grierson, Eds.) Florida Science Source. Longboat Key, Florida.
- ↑ Agents Classified by the IARC Monographs, IARC