The synthetic dyestuffs : and the intermediate products from which they are derived (1905)
Cain, John Cannell, 1871-1921, Thorpe, Jocelyn Field, 1872-1940 · London : C. Griffen and Co. · leaf 121
and the following sulphonic acids (made by the sulphonation of the condensationproduct) :— Fast acid violet B [M]—Violamine B C6H5. N^^X/^//^//NH.C6H4S03Na I I I I / |COOH Fast acid violet A, 2R [M]—Violamine R … Acid rosamine A [M]—Violamine G O ^ ,NH.C6H(CH3)3S03Na
Dyes and dyeing
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