On April 10, 2003, Moeller, Hinrich; Hoeffkes, Horst; Oberkobusch, Doris published a patent.SDS of cas: 2510-01-2 The title of the patent was Oxidative hair dyes containing aromatic compounds, other dyes and color intensifiers. And the patent contained the following:
The invention concerns oxidative hair dyes that contain aromatic compounds other dyes and color intensifiers. The components are selected from the group of primary and secondary aromatic amines, hydroxides, nitrogen-containing heterocycles, amino acids, oligopeptides, CH-acids and quaternary ammonium compounds Thus a dye contained(weight/weight%): Texapon NSO 18.00; Dehyton K 11.25; Hydrenol D 7.65; Lorol 1.80; Eumulgin 0.68; propylene carbonate 8.50; N-allylisatine 1.50; N,N-Bis(2’hydroxyethyl)-p-phenylene diamine sulfate 2.95; ascorbic acid 0.10; sodium sulfite 0.10; ammonia (25%) 4.00; water to 100; pH 9.20. The experimental process involved the reaction of 2-(2,3-Dihydro-1H-inden-1-ylidene)malononitrile(cas: 2510-01-2).SDS of cas: 2510-01-2
The Article related to oxidative hair dye aromatic, Essential Oils and Cosmetics: Hair Preparations and other aspects.SDS of cas: 2510-01-2
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts