Sudan I

Sudan I (also commonly known as CI Solvent Yellow 14 and Solvent Orange R) is an organic compound, typically classified as an azo dye. It is an intensely orange-red solid that is added to colourise waxes, oils, petrol, solvents, and polishes. Sudan I has also been adopted for colouring various foodstuffs, especially curry powder and chili powder, although the use of Sudan I in foods is now banned in many countries, because Sudan I, Sudan III, and Sudan IV have been classified as category 3 carcinogens (not classifiable as to its carcinogenicity to humans) by the International Agency for Research on Cancer. Sudan I is still used in some orange-coloured smoke formulations and as a colouring for cotton refuse used in chemistry experiments.

Sudan I
Names
IUPAC name
1-(Phenyldiazenyl)naphthalen-2-ol
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.011.517
EC Number
  • 212-668-2
KEGG
UNII
  • InChI=1S/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H/b18-17+ Y
    Key: MRQIXHXHHPWVIL-ISLYRVAYSA-N Y
  • InChI=1/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H/b18-17+
    Key: MRQIXHXHHPWVIL-ISLYRVAYBO
  • Oc3ccc1ccccc1c3/N=N/c2ccccc2
Properties
C16H12N2O
Molar mass 248.28 g/mol
Melting point 131 °C (268 °F; 404 K)
−1.376×10−4 cm3/mol
Hazards
GHS labelling:
Warning
H317, H341, H351, H413
P201, P202, P261, P272, P273, P280, P281, P302+P352, P308+P313, P321, P333+P313, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references
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