any of a class of compounds with the general formula ArN:N–M+, where Ar is an aryl group and M is a metal atom; made by the action of nitrous acid on aromatic amines and used in dyeing
diazonium salt in American English
noun
Chemistry
any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes
Word origin
[1905–10]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: jazz, one-shot, persona, push-up, revolving door
Examples of 'diazonium salt' in a sentence
diazonium salt
This can be suppressed by using a more reactive diazonium salt before a less reactive one.
František Josefík, Markéta Svobodová, Valerio Bertolasi, Petr Šimůnek 2013, 'A simple, enaminone-based approach to some bicyclic pyridazinium tetrafluoroborates',Beilstein Journal of Organic Chemistryhttps://doi.org/10.3762/bjoc.9.166. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The anchoring layer was made by electro-grafting of the corresponding diazonium salt on a glassy carbon surface.
Aifang Wang, Jean-Marc Nöel, Dodzi Zigah, Càtia Ornelas, Corinne Lagrost, Didier Astruc,Philippe Hapiot 2009, 'Electron-transfer mediation on poly-aryl dendrimer-modified electrodes', Electrochemistry Communicationshttp://www.sciencedirect.com/science/article/pii/S1388248109003087. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Electrochemical reduction of the 4-nitrophenyl diazonium salt in ionic liquid media has been investigated at carbon electrode.
Jalal Ghilane, Pascal Martin, Olivier Fontaine, Jean-Christophe Lacroix, HyacintheRandriamahazaka 2008, 'Modification of carbon electrode in ionic liquid through the reduction of phenyl diazoniumsalt. Electrochemical evidence in ionic liquid', Electrochemistry Communicationshttp://www.sciencedirect.com/science/article/pii/S1388248108002002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Coupling reaction of aromatic compounds was carried out with a diazonium salt of aniline to yield a monoazo dye.
Kasim Mohammed Hello, Nahla Ghaze Fahad 2019, 'In-situ Nitrous Acid Generation over Silica Imidazole Catalyst for Dyes Production',Bulletin of Chemical Reaction Engineering & Catalysishttps://ejournal2.undip.ac.id/index.php/bcrec/article/view/2617. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)