223601-37-4

Downstream Products

• 223601-43-2 5-chloro-1-N-(β-hydroxyethyl)amino-2-(β-hydroxyethyl)-4-nitrobenzene 
• 223601-39-6 1-amino-2-(β-hydroxyethyl)-5-methoxy-4-nitrobenzene 

Relevant academic research and scientific papers

Method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines, new 2-hydroxyalkyl-para-phenylenediamines, their use for oxidation dyeing, dyeing compositions and methods of dyeing

The present invention relates to a new method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, new 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, their use for the oxidation dyeing of keratinous fibers, the dyeing compositions containing them, as well as the methods of dyeing using them.