Synthetic dyes based on environmental considerations. Part 2: iron complexed formazan dyes

This paper is concerned with the synthesis and evaluation of some 1:2 iron complexed formazan dyes for use on wool and nylon. The chemical structures of these new dyes were confirmed with the aid of negative ion FAB mass spectrometry, a technique which also proved instrumental in establishing the na...

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Bibliographic Details
Published in:Dyes and pigments 1996-01, Vol.30 (1), p.1-20
Main Authors: Sokolowska-Gajda, Jolanta, Freeman, Harold S, Reife, Abraham
Format: Article
Language:English
Subjects:
Iron
Mass spectrometry
Q1
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Summary:This paper is concerned with the synthesis and evaluation of some 1:2 iron complexed formazan dyes for use on wool and nylon. The chemical structures of these new dyes were confirmed with the aid of negative ion FAB mass spectrometry, a technique which also proved instrumental in establishing the nature of the products obtained when unsymmetrical 1:2 iron complexed formazan dyes were synthetic targets. It is clear from the fastness properties obtained that certain of the title compounds could have utility in applications requiring high lightfastness.
ISSN:0143-7208
DOI:10.1016/0143-7208(95)00048-8