Dye|Dye intermediates|Fluorescent Brightener|pigment dye

2-Hydroxybenzoic acid

Name: 2-Hydroxybenzoic acid

CA Name: Benzoic acid,2-hydroxy-

Molecular Structure:

2-Hydroxybenzoic acid,Benzoic acid,2-hydroxy-,CAS 69-72-7,138.12,C7H6O3

Molecular Formula:C₇H₆O₃

Molecular Weight: 138.12

CAS Registry Number: 69-72-7

List of synthetic dyes :

C.I.Mordant Orange 1

C.I.Mordant Orange 22

C.I.Mordant Red 8

C.I.Mordant Yellow 12

C.I.Mordant Yellow 18

C.I.Mordant Yellow 24

C.I.Mordant Yellow 3

C.I.Mordant Yellow 38

C.I.Mordant Yellow 48

C.I.Mordant Yellow 57

C.I.Mordant Violet 17

C.I.Mordant Brown 51

C.I.Acid Yellow 100

C.I.Acid Yellow 98

C.I.Direct Orange 1

C.I.Direct Orange 31

C.I.Direct Orange 8

C.I.Direct Black 91

C.I.Direct Red 156

C.I.Direct Red 185

C.I.Direct Red 33

C.I.Direct Red 88

C.I.Direct Yellow 15

C.I.Direct Yellow 24

C.I.Direct Yellow 42

C.I.Direct Yellow 72

C.I.Direct Green 20

C.I.Direct Green 26

C.I.Direct Green 39

C.I.Direct Green 8

C.I.Direct Brown 1:2

C.I.Direct Brown 14

C.I.Direct Brown 175

C.I.Direct Brown 186

C.I.Direct Brown 20

C.I.Direct Brown 215

C.I.Direct Brown 227

C.I.Direct Brown 26

C.I.Direct Brown 46

C.I.Direct Brown 52

C.I.Mordant Orange 15

C.I.Mordant Orange 6

C.I.Mordant Yellow 1

C.I.Mordant Yellow 14

C.I.Mordant Yellow 20

C.I.Mordant Yellow 26

C.I.Mordant Yellow 32

C.I.Mordant Yellow 44

C.I.Mordant Yellow 5

C.I.Mordant Yellow 60

C.I.Mordant Violet 39

C.I.Mordant Brown 90

C.I.Acid Yellow 120

C.I.Acid Brown 146

C.I.Direct Orange 104

C.I.Direct Orange 33

C.I.Direct Orange 94

C.I.Direct Red 1

C.I.Direct Red 18

C.I.Direct Red 18

C.I.Direct Red 52

C.I.Direct Yellow 1

C.I.Direct Yellow 167

C.I.Direct Yellow 26

C.I.Direct Yellow 44

C.I.Direct Yellow 73

C.I.Direct Green 21

C.I.Direct Green 28

C.I.Direct Green 59

C.I.Direct Green 9

C.I.Direct Brown 101

C.I.Direct Brown 159

C.I.Direct Brown 179

C.I.Direct Brown 190

C.I.Direct Brown 206

C.I.Direct Brown 222

C.I.Direct Brown 24

C.I.Direct Brown 27

C.I.Direct Brown 5

C.I.Direct Brown 54

C.I.Mordant orange 2

C.I.Mordant Red 57

C.I.Mordant Yellow 10

C.I.Mordant Yellow 16

C.I.Mordant Yellow 21

C.I.Mordant Yellow 28

C.I.Mordant Yellow 36

C.I.Mordant Yellow 47

C.I.Mordant Yellow 51

C.I.Mordant Yellow 66

C.I.Mordant Brown 18

C.I.Solvent Yellow 20

C.I.Acid Yellow 185

C.I.Pigment Yellow 23

C.I.Direct Orange 2

C.I.Direct Orange 6

C.I.Direct Black 40

C.I.Direct Red 155

C.I.Direct Red 181

C.I.Direct Red 29

C.I.Direct Red 63

C.I.Direct Yellow 10

C.I.Direct Yellow 2

C.I.Direct Yellow 41

C.I.Direct Yellow 66

C.I.Direct Yellow 74

C.I.Direct Green 22

C.I.Direct Green 3

C.I.Direct Green 60

C.I.Direct Brown 1

C.I.Direct Brown 13

C.I.Direct Brown 173

C.I.Direct Brown 185

C.I.Direct Brown 2

C.I.Direct Brown 21

C.I.Direct Brown 223

C.I.Direct Brown 25

C.I.Direct Brown 31

C.I.Direct Brown 51

C.I.Direct Brown 57

C.I.Direct Brown 58

C.I.Direct Brown 59

C.I.Direct Brown 6

C.I.Direct Brown 60

C.I.Direct Brown 61

C.I.Direct Brown 62

C.I.Direct Brown 70

C.I.Direct Brown 73

C.I.Direct Brown 74

C.I.Direct Brown 79

C.I.Direct Brown 95

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This entry was posted on Thursday, January 31st, 2013 at 2:58 AM and is filed under Dye intermediates. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

75 Responses to “2-Hydroxybenzoic acid”

1. Direct Yellow 1 on September 26th, 2013 at 2:34 AM

   […] Methods : 3-Acetylamino-N,N-diethylaniline double nitriding, and 2-Hydroxybenzoic acid (2 Moore) […]

2. Direct Yellow 10 on September 26th, 2013 at 3:26 AM

   […] Manufacturing Methods :  p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit, its product diazo, coupled with 2-Hydroxybenzoic acid. […]

3. Direct Yellow 15 on September 26th, 2013 at 3:42 AM

   […] Methods : 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Amino-N-(4-aminophenyl)benzamide condensation , then the nitro […]

4. Direct Yellow 26 on September 26th, 2013 at 5:41 AM

   […] Methods : (1) 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, and then will the nitro reduction; (2) the N-(4-aminophenyl)acetamide diazo, coupled with […]

5. Direct Yellow 66 on September 27th, 2013 at 2:54 AM

   […] Methods : 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Nitrobenzoyl chloride condensation , then the nitro reduction […]

6. Direct Brown 31 on October 12th, 2013 at 1:30 AM

   […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, 2-Hydroxybenzoic acid coupled with first, and then and 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid diazo, in acid […]

7. Direct Brown 52 on October 12th, 2013 at 2:02 AM

   […] Methods : 3,3′-Dimethylbenzidine double nitriding, 2-Hydroxybenzoic acid coupled with first, and then in alkaline conditions and […]

8. Direct Brown 185 on October 12th, 2013 at 6:50 AM

   […] Methods : 2-Amino-5-(4-aminophenyl)benzenesulfonic acid double nitriding, which in turn and 2-Hydroxybenzoic acid and where did Resorcinol […]

9. Mordant Yellow 3 on October 30th, 2013 at 5:40 AM

   […] Manufacturing Methods : : 6-Aminonaphthalene-2-sulfonic acid diazotization, and 2-Hydroxybenzoic acidcoupling. […]

10. Mordant Yellow 48 on October 30th, 2013 at 6:59 AM

    […] Methods : 4-(4-Aminophenyl)-3-nitro-aniline double nitrogen, and 2-Hydroxybenzoic acid(2 Moore) […]

11. Mordant Orange 1 on October 30th, 2013 at 7:17 AM

    […] Manufacturing Methods : 4-Nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid coupling. […]

12. Acid Yellow 98 on November 13th, 2013 at 6:58 AM

    […] Methods : 3-Aminobenzenesulfonic acid diazo, coupled with 2-Hydroxybenzoic acid in 90 ℃ solution, deal with their products with formic acid chromium, evaporation and […]

13. Acid Yellow 120 on November 13th, 2013 at 7:08 AM

    […] Methods : 5-Amino-2-chlorobenzenesulfonic acid diazo, coupled with 2-Hydroxybenzoic acid, and then into chromium […]

14. Acid Yellow 185 on November 13th, 2013 at 7:17 AM

    […] Methods : 6-Aminonaphthalene-1-sulfonic acid diazo, coupled with 2-Hydroxybenzoic acid, and then translate into chromium […]

15. Direct Yellow 2 on November 14th, 2013 at 6:58 AM

    […] Methods : 3,3′-Dimethylbenzidine double nitriding, and 2-Hydroxybenzoic acid(2 Moore) […]

16. Direct Yellow 72 on November 15th, 2013 at 2:53 AM

    […] Methods : 1,2-Bis(4-amino-2-sulfophenyl)ethene double nitriding, and 2-Hydroxybenzoic acid (2 Moore) […]

17. Direct Yellow 73 on November 15th, 2013 at 2:55 AM

    […] Methods : 1,2-Bis(4-nitro-2-sulfophenyl)ethane double nitriding, and 2-Hydroxybenzoic acid (2 Moore) […]

18. Direct Yellow 74 on November 15th, 2013 at 2:58 AM

    […] Methods :  2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid double nitriding, and 2-Hydroxybenzoic acid (2 Moore) […]

19. Direct Orange 8 on November 15th, 2013 at 3:57 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again with 4-Aminonaphthalene-1-sulfonic acid matches. In some brands, Part of the […]

20. Direct Orange 31 on November 15th, 2013 at 4:06 AM

    […] Methods :  3,3′-Dimethylbenzidine double nitriding, respectively with 2-Hydroxybenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid […]

21. Direct Orange 104 on November 15th, 2013 at 5:43 AM

    […] Methods : 4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, its products and 3-Amino-2-hydroxybenzoic acid condensation, and then will be preparing […]

22. Direct Red 1 on November 15th, 2013 at 5:46 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic […]

23. Direct Red 29 on November 15th, 2013 at 6:01 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid […]

24. Direct Red 52 on November 15th, 2013 at 7:00 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and 4,7-Dihydroxynaphthalene-2-sulfonic […]

25. Direct Red 156 on November 15th, 2013 at 8:01 AM

    […] Methods :  4-Nitrobenzenamine diazo, first with 2-Hydroxybenzoic acid coupling, and then will The nitro reduction, and nitrobenzene formex condensation of chlorine, then […]

26. Direct Red 185 on November 15th, 2013 at 8:07 AM

    […] Methods : 3-(4-Amino-2-sulfophenylamino)-2,3-dioxopropanoic acid diazo, coupled with 2-Hydroxybenzoic acid, grass acid base hydrolysis, again diazo, Coupled with […]

27. Direct Green 3 on November 18th, 2013 at 2:26 AM

    […] Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitride, first coupled with 2-Hydroxybenzoic acid, and then with 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, product and diazotization, and […]

28. Direct Green 20 on November 18th, 2013 at 2:37 AM

    […] Methods : 3,3′-Dimethylbenzidine double nitriding, first  coupled with 2-Hydroxybenzoic acid, again in alkaline conditions and 2-Aminobenzene-1,4-disulfonic acid diazo, in acid conditions and […]

29. Direct Green 21 on November 18th, 2013 at 2:40 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, coupled with 2-Hydroxybenzoic acid , and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, […]

30. Direct Green 21:1 on November 18th, 2013 at 3:16 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, First coupled with 2-Hydroxybenzoic acid , and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid […]

31. Direct Green 22 on November 18th, 2013 at 3:18 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, And then with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and […]

32. Direct Brown 1 on November 18th, 2013 at 5:19 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine coupled […]

33. Direct Brown 1:2 on November 18th, 2013 at 5:22 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, 4-Aminobenzenesulfonic acid diazo, and 4-Methylbenzene-1,3-diamine coupling, its […]

34. Direct Brown 13 on November 18th, 2013 at 5:30 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid […]

35. Direct Brown 14 on November 18th, 2013 at 5:35 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid […]

36. Direct Brown 20 on November 18th, 2013 at 5:44 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid   diazo, and Benzene-1,3-diamine […]

37. Direct Brown 24 on November 18th, 2013 at 5:49 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, […]

38. Direct Brown 25 on November 18th, 2013 at 5:52 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, […]

39. Direct Brown 26 on November 18th, 2013 at 5:53 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, […]

40. Direct Brown 27 on November 18th, 2013 at 5:56 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and […]

41. Direct Brown 46 on November 18th, 2013 at 6:31 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its […]

42. Direct Brown 54 on November 18th, 2013 at 6:40 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its […]

43. Direct Brown 58 on November 18th, 2013 at 6:43 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid […]

44. Direct Brown 59 on November 18th, 2013 at 6:46 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid […]

45. Direct Brown 60 on November 18th, 2013 at 6:59 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in acetic acid medium and 6-Amino-7-hydroxynaphthalene-2-sulfonic […]

46. Direct Brown 61 on November 18th, 2013 at 7:01 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, then with 4-Hydroxynaphthalene-1-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a single […]

47. Direct Brown 62 on November 18th, 2013 at 7:03 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its […]

48. Direct Brown 70 on November 18th, 2013 at 7:07 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, […]

49. Direct Brown 74 on November 18th, 2013 at 7:09 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, then with 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its […]

50. Direct Brown 101 on November 18th, 2013 at 7:20 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding,First coupled with  2-Hydroxybenzoic acid and then with 8-Aminonaphthalene-2-sulfonic acid coupling, coupled with […]

51. Direct Brown 173 on November 18th, 2013 at 8:00 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, First coupled with 2-Hydroxybenzoic acid diazo,  and then with 3-Amino-2-hydroxy-5-sulfobenzoic acid coupling,and Resorcinol coupled to […]

52. Direct Brown 175 on November 18th, 2013 at 8:01 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid , and then and 3-Amino-4-hydroxybenzenesulfonamide diazo, and Resorcinol coupled to accidentally […]

53. Direct Brown 186 on November 18th, 2013 at 8:07 AM

    […] Methods :  2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, first coupled with 2-Hydroxybenzoic acid, again in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  […]

54. Direct Brown 190 on November 18th, 2013 at 8:08 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid , and then in alkaline conditions 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling, product […]

55. Direct Brown 206 on November 18th, 2013 at 8:09 AM

    […] Methods : 4-Nitrobenzenamine diazo, and 2-Hydroxybenzoic acid coupling, garnish with glucose and sodium hydroxide solution will nitro reduction, and finally […]

56. Direct Brown 222 on November 18th, 2013 at 8:13 AM

    […] Methods : 3,3′-Dimethylbenzidine double nitriding,first coupled with 2-Hydroxybenzoic acid , then and 4-Aminobenzenesulfonic acid diazo, and 4-Methylbenzene-1,3-diamine coupled to […]

57. Direct Brown 227 on November 18th, 2013 at 8:16 AM

    […] Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding, first coupled with 2-Hydroxybenzoic acid , again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine […]

58. Direct Black 91 on November 19th, 2013 at 1:55 AM

    […] Methods : 3,3′-Dimethoxylbenzidine double nitriding, First coupled with 2-Hydroxybenzoic acid, coupled with the first again with 2-Amino-5-nitrobenzoic acid diazo, in acid conditions and […]

59. Mordant Yellow 5 on November 19th, 2013 at 6:48 AM

    […] Methods : 5-Amino-2-chlorobenzoic acid diazotization, coupled with 2-Hydroxybenzoic acid, and then in a certain pressure and contains trace copper powder or Cupric oxide of Sodium […]

60. Mordant Yellow 12 on November 19th, 2013 at 6:56 AM

    […] Methods : (a) 4-Nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid coupling, and then hydrolyzed acyl […]

61. Mordant Yellow 18 on November 19th, 2013 at 6:58 AM

    […] Manufacturing Methods : aniline diazotization, and 2-Hydroxybenzoic acid coupling. […]

62. Mordant Yellow 20 on November 19th, 2013 at 6:59 AM

    […] Methods : 7-Aminonaphthalene-1,3-disulfonic acid diazotization, and 2-Hydroxybenzoic acid […]

63. Mordant Yellow 24 on November 19th, 2013 at 7:02 AM

    […] Methods : 4-Amino-2,5-dichlorobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid […]

64. Mordant Yellow 26 on November 19th, 2013 at 7:03 AM

    […] Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitrogen, and 2-Hydroxybenzoic acid(2 Moore) […]

65. Mordant Yellow 28 on November 19th, 2013 at 7:04 AM

    […] Methods : 4-Aminonaphthalene-1-sulfonic acid diazotization, and 2-Hydroxybenzoic acid […]

66. Mordant Yellow 36 on November 19th, 2013 at 7:08 AM

    […] Methods :  4-(4-Aminophenyl)benzenamine diazotization, and 2-Hydroxybenzoic acid coupling, and then and dilute sulphuric acid common boiling, make the remnants of diazo into […]

67. Mordant Yellow 38 on November 19th, 2013 at 7:11 AM

    […] Methods : 4-Ethoxybenzenamine diazotization, and 2-Hydroxybenzoic acid […]

68. Mordant Yellow 44 on November 19th, 2013 at 7:12 AM

    […] Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling. […]

69. Mordant Yellow 66 on November 19th, 2013 at 7:16 AM

    […] Manufacturing Methods :  3-Aminobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling. […]

70. Mordant Orange 2 on November 19th, 2013 at 7:19 AM

    […] Manufacturing Methods : 2-Chloro-4-nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid coupling. […]

71. Mordant Orange 15 on November 19th, 2013 at 7:21 AM

    […] Manufacturing Methods : 2-Amino-5-nitrobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling. […]

72. Mordant Red 8 on November 19th, 2013 at 7:28 AM

    […] Methods : 4-(4-Aminophenyl)-3-nitro-aniline double nitrogen, first and 2-Hydroxybenzoic acid coupling, again with 4-Hydroxynaphthalene-1-sulfonic acid […]

73. Mordant Red 57 on November 19th, 2013 at 7:38 AM

    […] Methods : 4-(4-Aminophenyl)benzenamine double nitrogen, first and 2-Hydroxybenzoic acid coupling, again in acidic condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid […]

74. Mordant Violet 17 on November 19th, 2013 at 8:22 AM

    […] Methods : (a) 2-Hydroxy-3-methyl-5-formylbenzoic acid (1 Moore) and 2-Hydroxybenzoic acid (2 Moore) condensation, the product with Nitrosylsulfuric acid oxidation; (b)Formaldehyde (1 Moore) […]

75. Mordant Violet 39 on November 20th, 2013 at 12:56 AM

    […] Methods : Formaldehyde (or Methanol and Sodium nitrite) and 2-Hydroxybenzoic acid concentrated sulfuric acid in the […]

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