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 116
to formaldehyde, whichcondenses with the resulting methylaniline and two molecules of the unaltereddimethylaniline to form pentamethylrosaniline. The bluest methyl violet, Methyl violet (6B), that can be prepared by thismethod is made by treating pentamethylrosaniline with benzyl chloride,… … C^-C6H4N(CH3)2
Dyes and dyeing
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