Sudan I. Molecular model of the dye and organic compound Sudan I (C16.H12.N2.O), also known as Solvent Orange R and CI Solvent Yellow 14. This red-orange powder is used to colour waxes, oils, solvents and polishes. It is banned as a food colourant due to its carcinogenicity Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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