Alberti, Guido published the artcileCationic dyes for acrylic fibers. V. Cationic dyes derived from several heterocyclic amines with two or more heteroatoms, SDS of cas: 13682-33-2, the publication is Annali di Chimica (Rome, Italy) (1975), 65(5-6), 305-14, database is CAplus.
Fourteen cationic azo dyes (I, R = dimethylimidazolium, dimethylbenzimidazolium, methylindazolium, dimethyltriazolium, dimethyltetrazolium, dimethylthiadiazolium residues; R1 = OH, CN; X = MeSO4, ZnCl3; n = 0, 1) were prepared by coupling the diazotized heterocyclic base derivative with PhN(CH2CH2CN)2 [1555-66-4] or PhN(CH2CH2OH)2 [120-07-0] and quaternizing the resulting azo dye base. The dyeing properties of I on acrylic fibers, their shades,, their exhaust properties, and absorption spectra were determined
Annali di Chimica (Rome, Italy) published new progress about 13682-33-2. 13682-33-2 belongs to imidazoles-derivatives, auxiliary class Imidazole,Amine,Benzene, name is 4-(1H-Imidazol-2-yl)aniline, and the molecular formula is C9H9N3, SDS of cas: 13682-33-2.
Referemce:
https://en.wikipedia.org/wiki/Imidazole,
Imidazole | C3H4N2 – PubChem