On May 14, 1991, Kawase, Jiro; Tagami, Hidetoshi; Yoshihara, Toru published a patent.Recommanded Product: 51566-22-4 The title of the patent was Hair dyes containing 2-amino-3-methyl-6-aminopyridine. And the patent contained the following:
Dyeing compositions for keratin fibers (e.g. hair) contain developers and 2-amino-3-methyl-6-aminopyridine (I) or its salt as a coupling agent. p-Phenylenediamine (0.01 mol) and 0.01 mol I were mixed with 100 g aqueous solution containing oleic acid 10, oleic acid diethanolamide 8, oleyl alc. 2, polyoxyethylene octyldodecyl ether 10, EtOH 15, propylene glycol 10, NH4Cl 3, and 25% ammonia 7% by weight, and mixed with aqueous H2O2 to give a dyeing composition Gray hair was treated with the composition The experimental process involved the reaction of 3-Methylpyridine-2,6-diamine(cas: 51566-22-4).Recommanded Product: 51566-22-4
The Article related to hair dyeing aminopyridine derivative, keratin fiber dyeing pyridine derivative, Essential Oils and Cosmetics: Hair Preparations and other aspects.Recommanded Product: 51566-22-4