Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Pyridine

Name: Pyridine

CA Name: Pyridine

Molecular Structure:

Pyridine,CAS 110-86-1,79.1,C5H5N

Molecular Formula:C₅H₅N

Molecular Weight: 79.1

CAS Registry Number: 110-86-1

List of synthetic dyes :

C.I.Basic Violet 1

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38 Responses to “Pyridine”

1. Solubilised Vat Yellow 2 on October 15th, 2013 at 3:51 AM

   […] Methods : (a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 2 leuco; (b) used in […]

2. Solubilised Vat Yellow 3 on October 15th, 2013 at 4:16 AM

   […] Methods : (a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 3 leuco; (b) used in […]

3. Solubilised Vat Yellow 4 on October 15th, 2013 at 4:23 AM

   […] Methods : (a) in the presence of Pyridine, with chlorosulfonic processing C.I. Vat Yellow 4 leuco; (b) used in […]

4. Solubilised Vat Yellow 5 on October 15th, 2013 at 4:29 AM

   […] Methods : (a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. Vat Yellow 5 leuco; (b) used in […]

5. Solubilised Vat Yellow 7 on October 15th, 2013 at 4:32 AM

   […] Methods :  (a) in the presence of Pyridine, with Chlorosulfonic acid treatment C.I. 60530 leuco; (b) used in […]

6. Solubilised Vat Orange 4 on October 21st, 2013 at 2:43 AM

   […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Orange 4 leuco ; (b) used in […]

7. Solubilised Vat Orange 5 on October 21st, 2013 at 3:03 AM

   […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Orange 5 leuco ; (b) used in […]

8. Solubilised Vat Red 10 on October 22nd, 2013 at 2:18 AM

   […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Red 10 leuco ; (b) used in […]

9. Vat Red 14 on October 22nd, 2013 at 2:35 AM

   […] Methods : (a) in the Acetic acid glacial or Pyridine solution heating  Benzene-1,2-diamine and Naphthalene-1,4,5,8-tetracarboxylic acid mixture (when […]

10. Solubilised Vat Red 34 on October 22nd, 2013 at 6:33 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Red 34 leuco: (b) in the […]

11. Solubilised Vat Violet 2 on October 23rd, 2013 at 2:24 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 2 leuco; (b) in the […]

12. Solubilised Vat Violet 3 on October 23rd, 2013 at 2:34 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 3 leuco; (b) in the […]

13. Solubilised Vat Violet 4 on October 23rd, 2013 at 2:43 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 4 leuco; (b) in the […]

14. Solubilised Vat Violet 5 on October 23rd, 2013 at 2:53 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Violet 5 leuco; (b) in the […]

15. Solubilised Vat Violet 6 on October 23rd, 2013 at 3:10 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Violet 6, leuco; (b) in the […]

16. Solubilised Vat Violet 7 on October 23rd, 2013 at 3:12 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Violet 7 leuco; (b) in the […]

17. Solubilised Vat Blue 1 on October 23rd, 2013 at 6:30 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 1 leuco; (b) in the […]

18. Solubilised Vat Blue 2 on October 23rd, 2013 at 6:38 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 2 leuco; (b) in the […]

19. Solubilised Vat Blue 3 on October 23rd, 2013 at 6:45 AM

    […] Methods :  (a) in the presence of  Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 3 leuco; (b) in the […]

20. Solubilised Vat Blue 5 on October 23rd, 2013 at 6:55 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 5 leuco; (b) in the […]

21. Vat Blue 6 on October 23rd, 2013 at 7:10 AM

    […] blue. Aquamarine blue powder. Slightly soluble in hot Chloroform, 2 – Chlorophenol and hot Pyridine ; Insoluble in water, Acetone, Etanol and Toluene. Alkaline reduction leuco for green light yellow, […]

22. Solubilised Vat Blue 6 on October 23rd, 2013 at 7:11 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 6 leuco; (b) in the […]

23. Solubilised Vat Blue 7 on October 24th, 2013 at 2:21 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 7 leuco; (b) in the […]

24. Solubilised Vat Blue 8 on October 24th, 2013 at 2:28 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 8 leuco; (b) in the […]

25. Vat Blue 12 on October 24th, 2013 at 2:49 AM

    […] in 2 – Chlorophenol and Acetic acid glacial, not soluble in Acetone, Etano, Chloroform, Pyridine and Toluene. Alkaline reduction leuco for blue; Acid reduction leuco for blue purple. In […]

26. Vat Blue 14 on October 24th, 2013 at 2:54 AM

    […] Acetone, Etanol and Toluene, soluble in 2 – Chlorophenol, slightly soluble in Chloroform and Pyridine . Alkaline reduction leuco for blue, acid reduction leuco for red light blue. In concentrated […]

27. Solubilised Vat Green 1 on October 24th, 2013 at 5:33 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Green 1 leuco; (b) in the […]

28. Solubilised Vat Green 2 on October 24th, 2013 at 5:35 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Green 2 leuco; (b) in the […]

29. Solubilised Vat Green 21 on October 24th, 2013 at 6:22 AM

    […] Methods : see soluble VAT dye general methods namely: (a) in the presence of Pyridine , with Chlorosulfonic acid treatment VAT dye (C.I. 5905) leuco; (b) VAT dye (C.I. 5905) in […]

30. Solubilised Vat Brown 1 on October 24th, 2013 at 6:43 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Brown 1 leuco; (b) in the […]

31. Solubilised Vat Brown 3 on October 24th, 2013 at 6:47 AM

    […] Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Brown 3 leuco; (b) in the […]

32. Solubilised Vat Brown 5 on October 24th, 2013 at 6:52 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Brown 5 leuco; (b) in the […]

33. Vat Brown 22 on October 24th, 2013 at 7:10 AM

    […] Naphthalene-1,4,5,8-tetracarboxylic acid and 4-Chlorobenzene-1,2-diamine in Acetic acid glacial or Pyridine of […]

34. Solubilised Vat Black 1 on October 24th, 2013 at 7:49 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Black 1 leuco; (b) in the […]

35. Solubilised Vat Black 2 on October 24th, 2013 at 7:52 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Black 2 leuco; (b) in the […]

36. Solubilised Vat Black 6 on October 24th, 2013 at 7:54 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Black 35 leuco; (b) in the […]

37. Solubilised Vat Black 8 on October 24th, 2013 at 7:57 AM

    […] Methods : (a) in the presence of Pyridine , with Chlorosulfonic acid treatment  C.I. Vat Black 8 leuco; (b) in the […]

38. Leuco Sulphur Red 6 on November 19th, 2013 at 5:38 AM

    […] 116 ℃ heating 30 hours, then dilution, through the air and add salt to the precipitation. This is Pyridine by 4-Methylbenzene-1,3-diamine and 4-Aminophenol or 4-Nitrosophenol generated […]

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