an orange-red, crystalline, water-insoluble powder, C 12 H 10 N 2 , obtained from nitrobenzene by reduction: used chiefly in the manufacture of dyes and as an insecticide.
The parent substance is “azobenzene,” and these three colouring-matters are mono-, di- and triamido-azobenzene respectively.
Coal Raphael Meldola
a yellow or orange crystalline solid used mainly in the manufacture of dyes. Formula: C6H5N:NC6H5
any organic compound that is a substituted derivative of azobenzene
- Azo dye
any of a large class of dyes containing one or more azo groups. noun any of a class of artificial dyes that contain the azo group. They are usually red, brown, or yellow and are obtained from aromatic amines
- Azo radical
azo group. the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
- Azo group
the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
containing the azo group. a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group: azobenzene. Historical Examples According to the brand of azo red which is used, either scarlet or ponceau is obtained. The Practical Ostrich Feather Dyer Alexander Paul If a very blue […]