tolylenediamine

noun

tolylene·diamine | \ "+\

Definition of tolylenediamine

: any of six isomeric crystalline bases CH₃C₆H₃(NH₂)₂ derived from toluene of which some are used as dye intermediates: such as

a : an isomer obtained by reduction of dinitrotoluene (see dinitrotoluene sense a); toluene-2,4-diamine

— called also meta-tolylenediamine

b : an isomer obtained by reduction of aminoazo-toluene; toluene-2,5-diamine

— called also para-tolylenediamine

— see safranine sense b

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