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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un procedeu de purificare a unui colorant monoazoic obtinut prin cuplarea acid a acidului 5-nitroantranilic diazotat cu acidul 1-amino-8-naftol-3,6-disulfonic (acidul H) în care se obtin cristale de colorant usor filtrabil, eliminând colorantii paraziti si intermediarii nereactionati si reducând pierderile de substanta utila.
RO117741A1985-02-231985-02-23Procedeu de purificare a unui colorant monoazoic
RO91340B1
(ro)
Nouveaux colorants reactifs contenant le residu de l'acide 1-hydroxy-7-amino-8-(5'-amino-2',4'-disulfophenylazo) naphtalene-3,6-disulfonique, leur procede de production et leurs applications tinctoriales