Product name:p-Toluidine
CAS:106-49-0
Molecular Formula:C7H9N
Formula Weight:107.15
Specification:250g
Description:
P-toluidine is a white, glossy, crystalline flake, slightly soluble in water, soluble in ethanol, ether, carbon disulfide and oils, soluble in dilute mineral acids and salt formation.
P-toluidine is prepared from p-nitrotoluidine by reduction of p-nitrotoluidine at 124-126℃ and 0.2mpa table pressure with sodium sulfide. The reaction liquid is then stratified and separated into dehydrating layers, and then distilled, condensed, crystallized and dried under reduced pressure.
P-toluidine is mainly used as the intermediate of dye, which is used to make red GL, methyl amine red precipitate, basic magenta, methyl peric acid, 4-amino-toluidine-3-sulfonic acid, triphenyl methane dye and oxazine dye. P-toluidine is also used as the intermediate of pyrimidine and chlorazine.