Phenyl isocyanate (C6H5NCO) is a highly reactive, lachrymatory industrial chemical with a sharp, pungent, acrid odor. It is not a standard perfumery material and is generally considered toxic/irritating rather than aromatic. This entry may be a mislabelled ingredient — likely intended to be a different phenyl- material (e.g. phenyl ethyl alcohol, phenyl acetaldehyde).AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1094.
Colorless mobile liquid.
Decomposes in water and alcohol, soluble in oils.
Extremely penetrating, repulsive and irritating odor when undiluted. 'Soapy'-sweet odor in extreme dilution.
1) from Phosgene in hot Aniline with Hydrogen chloride. 2) from Chloroform and Aniline, by oxidation.