phe·​nyl·​ene·​di·​amine ˈfen-ᵊl-ˌēn-ˈdī-ə-ˌmēn, ˈfēn- How to pronounce phenylenediamine (audio)
: any of three toxic isomeric crystalline compounds C6H8N2 that are derivatives of benzene containing two amino groups attached to carbon atoms in the ortho, meta, or para positions see quinoxaline

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Cite this Entry

“Phenylenediamine.” Medical Dictionary, Merriam-Webster, Accessed 22 Mar. 2023.

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