| abstract |
An antifreeze composition is provided having a polyhydric alcohol, a corrosion inhibitor and a colorant of the formula: ##STR1## wherein m and n are independently selected from 0, 1, 2 or 3; M is cation; A is SO 3 M or SO 2 R 3 , where R 3 is alkylene-SO 3 M; R 1 is selected from the group consisting of hydroxy, C 1-8 alkoxy, C 1-8 alkyl, amino, sulfoxy, carboxy and R 2 ; and R 2 is NHR 4 , where R 4 is triazine or triazine substituted with aminophenylsulfonate, chloro, dichloro, fluoro, or R 2 is CO 2 M. |