: any of six isomeric crystalline bases CH3C6H3(NH2)2 derived from toluene of which some are used as dye intermediates: such as
: an isomer obtained by reduction of dinitrotoluene (see dinitrotoluene sense a); toluene-2,4-diamine

called also meta-tolylenediamine

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

called also para-tolylenediamine

see safranine sense b

Word History


tolylene + diamine

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Cite this Entry

“Tolylenediamine.” Dictionary, Merriam-Webster, Accessed 27 Feb. 2024.

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