Chem. [f. TRI- 5 a + AZ(OTE + -INE5.] A general term, invented by Widman (1888), for compounds the molecules of which contain a cyclic group consisting of three carbon and three nitrogen atoms.
These may be arranged in three ways: (1) the consecutive or vicinal form, also called osotriazine; (2) the unsymmetrical; (3) the symmetrical, also called cyanidine.
1894. Jrnl. Chem. Soc., LXVI. I. 57. New Triazole and Triazine Derivatives.
1900. Smith, Richters Org. Chem., II. 604. Alkyl- and phenyl-derivatives of symmetrical triazine or cyanidine are obtained.