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 288
3 (y acid) (2 mols.). … (Diamine black RO). 264 SYNTHETIC DYESTUFFS. Diamine violet N [C] is formed by the combination of the above constituentsin acid solution; its formula is S03NaOH<3 0N: »--<_> NH2 NIL1 )H<\_ S03Na(Diamine violet N). 12. Naphthol blue-black. NH2 OH N-X S03Na\/\yS03Na KP. 697291; A.P.…
Dyes and dyeing
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