title: 4-({4-[Bis(2-cyano-eth-yl)amino]-phen-yl}diazen-yl)benzene-sulfonamide.
abstract: In the title compound, C(18)H(16)N(6)O(2)S, which belongs to the family of azo dyes, the dihedral angle between the benzene rings is 26.16 (7)°. In the crystal, mol-ecules are joined by N-H⋯N and C-H⋯N hydrogen bonds into double chains parallel to the a axis.
authors.affiliation: Dipartimento di Chimica I,F.M. e Centro CrisDi, University of Turin, Via P. Giuria 7, 10125 Torino, Italy.
authors.forename: Giuliana
authors.initials: G
authors.lastname: Gervasio
authors.forename: Domenica
authors.initials: D
authors.lastname: Marabello
authors.forename: Federica
authors.initials: F
authors.lastname: Bertolotti