Preparation and Characterization of Two Azo Dyes For Dibenzothiophen by The Diazotization Reaction and Studying Their action as Acid-Base Indicators.

A. Juma, Manaf; G. Sager, Athra

doi:10.37652/juaps.2013.84988

Document Type : Research Paper

Authors

University of Anbar - College Of Science

https://doi.org/10.37652/juaps.2013.84988

Abstract

This research describes the preparation of two dyes , by nitration of dibenzothiophen to form p-nitro dibenzothiophen and reduction to form p-amino dibenzothiophen , and creating by the diazonium salt that is reacted with (1&2-naphthol ) to form azo dyes . Their FT.IR spectra and melting points were measured . One of these preparation dyes with orange color had been studied as an acid- base indicator by its effects in Titrimetric analysis by using methods of acid – base titration . Which was changed its color from colorless to orange in basic media , and from orange to colorless in acidic media . Dye (p- dibenzothiophen azo-8-naphthol) was an active acid-base indicator .The color difference between two spaces was clear, and the pH range of color change was (6-10).

Keywords

Main Subjects

Chemistry

References

1- J. Guo*, J. Zhou, D. Wang, X. Xiang, H. Yu, C.Tian & Z. Songm Biodegradation 17: 341–346mDOI 10.1007/s10532-005-9003-0, (2006).

2- I.M. Pe´ rez-Dı´az and R.F. McFeetersm USDA-ARS, SAA Food Science Research Unit, North Carolina State University, Raleigh, NC, USA; 584–589, (2009).

3- J.R.Aspland, " The application of basic dye cations to anionic fibers. Textile Chemist and Colorist Vol 25, No 6, June21-26(1993).

4- J. L. Hartwell and L.F. Fieser, "Coupling of o-tolidine and Chicago acid", Organic Syntheses, Coll. Vol. 2, p.145 (1943); Vol. 16, p.12 (1936).

5- J.R. Aspland, Chapter " Direct Dye Structure. Textile Chemist and Colorist" Vol 23, No 12m 1991 30-32, (1991).

6- Pe´rez-Dı´az, I.M.m R.E. Kelling, S.Hale,m F.reidt, and R.F. McFeetersm "Lactobacilli and tartrazine as causative agents of red-color spoilage in cucumber pickle products" Food Sci 72, M240–M245, (2007).

7- E. Engel, H. Ulrich, R. Vasold, B. König, M..Landthaler, R. Süttinger, W. Bäumler. "Azo Pigments and a Basal Cell Carcinoma at the Thumb". Dermatology 216 (1): 76–80. doi:10.1159/000109363. PMID 18032904, (2008).

8- H.Cheng, "Recent advances in azo dye degradation enzyme research". Curr Prot Pept Sci 7, 101–111, (2006).

9- B.S.A.Andrews*, B.Sreenivas Rao, S..Dubey and B.V. Kiran *Department of Chemistry, GITAM Institute of Technology, GITAM University,Visakhapatnam 530045, AP, India, Issue-2; Aug-Oct (2010).

10-B.S.A.Andrews*, B. Sreenivas Rao, Som Shankar Dubey and B.Venkata Kiran, ISSN 0976-4550m Volume: I: Issue-2: Aug-Oct -2010.

11- A.Vogels, Textbook of "Practical Organic Chemistry " 5ed. ISBN 0.582-46236-3m New York (1989).

12- J.R. Mohrig, T.C.; Morrill; C.N, Hammond.;, D.C. Neckers. Experimental Organic Chemistry; Freeman: New York, NY; pp 456-67. 4-8-04, (1997).

13- J. Kaseman and S. Hogendoorn, Department of Organic chemistrym Calvin College, 3201 Burton SE, Grand Rapids, MI 49546. May 19-(2004).

14- H. Hart, "Organic Chemistry" 2st Michigum state universitym4ed,U.S.A,DEFGHIJ- 89,(1987).

15- G. S. Janice. in the" Organic Chemstry"-1 st ed,ISBN 0-07,h-39746-2m547-dc22m (2006).

16- J. M. Kongm L. S.Chia., N. K. Goh, T. F, Chia. and R. Brouilard, Phyto Chemistry, 64(5), 923-933. (2003).

17- Vogels. " TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS", G. H. JEFFERY J. BASSETT J. MENDHAM R C. DENNEYFIFTHed, ISBN 0-582-Wb93, Co published in the United States with John Wiley & Sons, Inc., New York (1989).

18- S. M. Al – Ellawi "A Thesis for The Degree of Master of Chemistry ", Al-Anbar University, (2008)

19- A. D. John," Langes Hand Book of Chemistry "5ed, ISBN 0-07-016384- 7,(1999).

20-K.William,"Organic Spectroscopy" 3ed, ISBN 0 333 15190mP39-52, (1979).

21- H. W. Dulley,m "Spectroscopic Methods in Organic Chemistry " MCGRAW-HILLBook Company(UK) LimittedmISBN0-07-084108-X,(1980).

22- D. Gatterman, "Die Praxis des Organischen chemikers".40 th ed. Gruveter and Co., berlin (1961).

23-J.March,“ Advanced Organic Chemistry” 5th Ed. J. Wiley and Sons,: New York. ISBN 0-471-60180-2,(1992).

Journal of University of Anbar for Pure Science

Preparation and Characterization of Two Azo Dyes For Dibenzothiophen by The Diazotization Reaction and Studying Their action as Acid-Base Indicators.

References

References

Volume 7, Issue 2
August 2013
Page 1-6

Preparation and Characterization of Two Azo Dyes For Dibenzothiophen by The Diazotization Reaction and Studying Their action as Acid-Base Indicators.

References

References

Volume 7, Issue 2August 2013Page 1-6

Volume 7, Issue 2
August 2013
Page 1-6