- any of three isomeric amines having the formula C7H9N, derived from toluene: used in the dye and drug industries.
- an amine derived from toluene existing in three isomeric forms; aminotoluene. The ortho- and meta- isomers are liquids and the para- isomer is a crystalline solid. All three are used in making dyes. Formula: C 6 H 4 CH 3 NH 2
