- a colorless to slightly yellow, crystalline, water-insoluble solid, C14H12, used chiefly in the manufacture of dyes (stilbene dyes ).
- a colourless or slightly yellow crystalline water-insoluble unsaturated hydrocarbon used in the manufacture of dyes; trans-1,2- diphenylethene. Formula: C 6 H 5 CH:CHC 6 H 5
