16153-75-6Relevant articles and documents
Process for dyeing keratinous fibers with 2,4-diamino-1,3-dimethoxybenzene at an acid ph and compositions employed
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, (2008/06/13)
Process for dyeing keratinous fibres, especially human keratinous fibres such as the hair, characterised in that a composition containing, in a medium suitable for dyeing, at least 2,4-diamino-1,3-dimethoxybenzene as a coupler; an oxidation dye precursor; and an oxidising agent; is applied to these fibres, the pH of the composition applied to the fibres being less than 7.
Process for making N-mono-substituted p-phenylenediamines
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, (2008/06/13)
A process for preparing an N-mono-substituted-p-phenylenediamine by reacting the corresponding p-nitroso-N-mono-substituted aniline compound with a primary or secondary alcohol in the presence of a base.