International Journal of Materials Chemistry and Physics
Articles Information
International Journal of Materials Chemistry and Physics, Vol.6, No.1, Mar. 2020, Pub. Date: Apr. 7, 2020
Synthesis of Diazo Dye from Sulpanilic Acid Using 3-Aminophenol and N,N-Dimethylaniline as Couplers and It Application on Linen Fibre
Pages: 7-13 Views: 814 Downloads: 210
Authors
[01] Daniel Uwaremhevho Momodu, Department of Chemistry, Federal University Oye-Ekiti, Oye-Ekiti, Nigeria.
[02] Abayomi Olagundoye Adetuyi, Department of Chemistry, Federal University of Technology Akure, Akure, Nigeria.
[03] Joseph Bodede Owolabi, Department of Chemistry, Federal University of Technology Akure, Akure, Nigeria.
[04] Taiwo Sholagbade Adepoju, Department of Chemistry, Federal University of Technology Akure, Akure, Nigeria.
[05] Emmanuel Osigoyeyi Apara, Department of Chemistry, Federal University of Technology Akure, Akure, Nigeria.
Abstract
4-[(E)-(4-amino-2-hydroxyphenyl)diazenyl]benzene-1-sulfonic acid (monoazo dye) and 4-[(E)-(4-{(Z)-[4-(dimethylamino)phenyl]diazenyl}-2-hydroxyphenyl)diazenyl]benzene-1-sulfonic acid (Diazo dye) were described, synthesized from sulphanilic acid by diazotization and coupled with 3-aminophenol and further coupled with N,N dimethylaniline with 75.03 and% 80.02% yield respectively. The monoazo dye gave λmax of 435 nm in DMSO, melting point of 222-224°C and the diazo also gave λmax of 450 nm in DMSO, melting point of 118-120°C. The chemical structures of synthesized compounds were studied using UV-Visible spectrophotometer, FTIR, 1H-NMR and 13C-NMR. The synthesized dyes were applied on linen fibre which has been previously modified by acetylation, methylation and benzoylation. The fastness property afforded very good light fastness, excellent washing and rub fastness.
Keywords
Synthesize, Diazotization, UV-visible Spectrophotometer, FTIR, 1H-NMR and 13C-NMR
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