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1.(Chem.) A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo-benzene, C6H5.N2.OH.
Diazo reactions
(Chem.) a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry.
References in periodicals archive ?
Such a diazo- dye Ponceau S (PS) is used in clinical laboratories as a protein-binding dye for staining blood serum proteins [1].
artificial honey; caramel; carboxylic acids and their anhydrides, halides, peroxides and peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives, except salicylic acid and its salts and esters and their salts; amine-function compounds; oxygen-function amino-compounds, except lysine and its esters and salts thereof and glutamic acid and its salts; ureines and their derivatives and salts thereof; carboxyimide-function compounds and imine-compounds; nitrile-function compounds; diazo-, azo- or azoxy-compounds; organic derivatives of hydrazine or of hydroxylamine; compounds with other nitrogen function; pharmaceutical products.
Diazo-, Azo- or Azoxy-compounds: European Union Market Outlook 2010 and Forecast till 2015