479194-50-8Relevant articles and documents
PHTHALIMIDYL-AZO DYES, PROCESS FOR THEIR PREPARATION AND THEIR USE
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Page 9, (2010/02/07)
The present invention relates to dyes of formula (I) wherein R1, is 2-methoxyethyl, 2-ethoxyethyl or 2-(2-ethoxyethoxy)ethyl, R2 is C1,-C6alkyl which is unsubstituted or substituted by one or more hydroxy groups, halogen atoms, C1,-C4alkoxy groups, C2-C8alkoxyalkoxy groups, C1,-C4alkyl-COO- groups or C1,-C4alkyl-OCO- groups, R3 is methyl, hydroxy, halogen, -NH-S02-R5 or -NH-CO-R6, wherein R5 is methyl or ethyl and R6 is methyl, ethyl, methoxymethyl or 2-methoxyethyl, and R4 is ethyl or n-propyl, and also to a process for their preparation and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.