FD&C Orange Number 1

FD&C Orange Number 1
Names
IUPAC name
Sodium 4-[2-(4-oxonaphthalen-1-ylidene)hydrazin-1-yl]benzenesulfonate
Other names
Acid orange 20

Orange I

FD&C Orange Number 1
Identifiers
523-44-4 4-{2-[(1E)-1-ylidene]-1-yl} YesY
3D model (Jmol) Interactive image
3826844
ChemSpider 7844542 4-{2-[(1E)-1-ylidene]-1-yl} YesY
14466524 4-{2-[(1Z)-1-ylidene]-1-yl} YesY
ECHA InfoCard 100.007.589
EC Number 208-346-6
PubChem 23666138 4-{2-[(1E)-1-ylidene]-1-yl}
23721617 4-{2-[(1Z)-1-ylidene]-1-yl}
RTECS number DB7085000
Properties
C16H11N2NaO4S
Molar mass 350.32 g·mol−1
Hazards
S-phrases S22, S24/25
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g., sodium chloride Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
0
0
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
FDA explanation of Orange Number 1

FD&C Orange Number 1 was one of the first water soluble dyes to be commercialized, and one of seven original food dyes allowed under the Pure Food and Drug Act of June 30, 1906.[1] In the early 1950s, after several cases were reported of sickness in children who had eaten Halloween candy colored with the dye, the FDA conducted new, more thorough and rigorous testing on food dyes.[2] Orange 1 was outlawed for food use in 1956.[3]

References

  1. ↑ "News of Food; U. S. May Outlaw Dyes Used to Tint Oranges and Other Foods". The New York Times. 1954-01-19. The use of artificial colors to make foods more attractive to the eye may be sharply curtailed by action of the United States Food and Drug Administration. Three of the most extensively used coal tar dyes are being considered for removal from the Government's list of colors certified as safe for internal and external use and consumption.
  2. ↑ Malia Wollan (October 5, 2016). "Brand New Hue: The Quest to Make a True Blue M&M". The New York Times Magazine. Retrieved October 8, 2016. ...nearly every rat and dog given Orange No. 1 showed signs of distress, ranging from weight loss to death.
  3. ↑ Maga, Joseph A.; Anthony T. Tu (1995). Food additive toxicology. CRC Press. p. 182. ISBN 0-8247-9245-9.


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