Amino-naphthyl-azo compounds - as colouring agents

    公开(公告)号:DE2434110A1

    公开(公告)日:1976-01-29

    申请号:DE2434110

    申请日:1974-07-16

    Applicant: BASF AG

    Abstract: Cpds (I): in which D=phenyl, opt. substd by 1-4C alkyl, -OMe, OEt, phenylazo or phenylazo substd by 1-4C alkyl, OMe, -OEt and R3=4-21C alkyl, opt. interrupted by O, phenyl-1-4C-alkyl, 6-8C cycloalkyl or phenyl possibly substd by 1-4C alkyl, are oils, waxy substances or powders of red colour and are prepd by diazotisation of D-NH2 and coupling with: pref in heavy aromatic hydrocarbon Cpds (I) are easily dissolved in aliphatic, or aromatic hydrocarbons, chlorinated hydrocarbons, esters, alcohols paints, waxes, fats and esp in hydrocarbon fuels and generally possess good stability e.g. no crystallisation or flocculation at -20 to +50 degrees C.

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