The synthetic dyestuffs and the intermediate products from which they are derived (1920)
Cain, John Cannell, 1871-1921, Thorpe, Jocelyn Field, 1872- · London : C. Griffin · leaf 317
s cotton, mordanted with tannin and tartar emetic, red. Equations.— CH3 CH3I I (1) </^>NH2 + NaN02 + 2HCl -> <\^NS^N + NaC1 + 2H2° (o-toluidine). (diazo-compound).CH3 CH3 CH3 CH3 (o-toluidine). (amidoazotoluene). CH3 CH3 OH3 CH3 \ I II (3) <0>N : N<^NH2 + 2H2 > (~)NH2 +… … (See p. 160.) PREPARATION OF DYESTUFFS. 293 35. Induline (spirit soluble). 125 grams aniline.30 „ aniline hydrochloride. One hundred and twenty-five grams of aniline are mixed with 12 grams ofconcentrated hydrochloric acid in a round flask, and a solution of 7*2 grams ofsodium nitrite in a little…
Dyes and dyeing
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