Diamine Definition

Diamine Sentence Examples

• It is obtained by the oxidation of orthophenylene diamine with ferric chloride; when a mixture of para-aminodimethylaniline and meta-toluylenediamine is oxidized in the cold, toluylene blue, an indamine, being formed as an intermediate product and passing into the red when boiled; and also by the oxidation of dimethylparaphenylene diamine with metatoluylene diamine.

• Paraphenylene diamine may be prepared as above, and also by the reduction of amidoazobenzene.

• Witt (Ber., 1877, 10, p. 656), is obtained by coupling phenyl diazonium chloride with meta-phenylene diamine.

• The polymer is produced by the elimination of hydrogen chloride from terephthaloyl chloride and para-phenylene diamine.

• When heated with hydriodic acid (specific gravity 1.96) it forms amino-acetic acid, and with tin and hydrochloric acid it yields ethylene diamine.