| Identification | Back Directory | [Name]
tetrasodium 5-(acetylamino)-3-[[4-[[3,5-dimethyl-4-[(8-sulphonato-2-naphthyl)azo]phenyl]azo]-2-ethoxy-6-sulphonato-1-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonate | [CAS]
6428-18-8 | [Synonyms]
C.I.34270
Direct Green 33
C.I.Direct Green 33
Sirius Supra Green BB
Triantine Light Green BL
Direct green 33 (C.I. 34270)
C.I.Direct Green 33:C.I.34270
8'-Acetylamino-2-ethoxy-1'-hydroxy-4-[[3,5-dimethyl-4-[(8-sodiosulfo-2-naphthalenyl)azo]phenyl]azo][1,2'-azobisnaphthalene]-3',6,6'-trisulfonic acid trisodium salt
tetrasodium 5-(acetylamino)-3-[[4-[[3,5-dimethyl-4-[(8-sulphonato-2-naphthyl)azo]phenyl]azo]-2-ethoxy-6-sulphonato-1-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonate
tetrasodium,(3Z)-5-acetamido-3-[[4-[[3,5-dimethyl-4-[(8-sulfonatonaphthalen-2-yl)diazenyl]phenyl]diazenyl]-2-ethoxy-6-sulfonatonaphthalen-1-yl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate | [EINECS(EC#)]
229-203-4 | [Molecular Formula]
C42H36N7NaO15S4 | [MOL File]
6428-18-8.mol | [Molecular Weight]
1030.01 |
| Hazard Information | Back Directory | [Preparation]
Naphthalen-2-ol amine 8 diazo, and 3,5-Dimethylbenzenamine?coupling, again diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling (finally coupling is with the sodium bicarbonate water cut in Pyridine in). | [Properties and Applications]
green. Soluble in water for the green, soluble in ethanol. For the strong sulfuric acid, diluted is green. The dye solution to join strong hydrochloric acid have pale-green precipitation; Add thick sodium hydroxide solution for the green.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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3-4
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3-4
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5
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2-3
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3
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