| Identification | Back Directory | [Name]
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate] | [CAS]
6420-38-8 | [Synonyms]
C.I.29105
Einecs 229-159-6
C.I.Direct Violet 14
Direct Brilliant Red 3B
Amanil Rhoduline Red 3B
C.I.Direct Violet 14:C.I.29105
disodium 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate]
7,7'-Iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid]disodium salt
7,7'-Iminobis[4-hydroxy-3-[(2,4-dimethylphenyl)azo]-2-naphthalenesulfonic acid]disodium salt
2-Naphthalenesulfonic acid, 7,7'-iminobis(3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt
2-Naphthalenesulfonic acid, 7,7'-iminobis(3-(2-(2,4-dimethylphenyl)diazenyl)-4-hydroxy-, sodium salt (1:2) | [EINECS(EC#)]
229-159-6 | [Molecular Formula]
C36H29N5Na2O8S2 | [MOL File]
6420-38-8.mol | [Molecular Weight]
769.754 |
| Hazard Information | Back Directory | [Preparation]
2,4-Dimethylbenzenamine (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling (2,4-Dimethylbenzenamine can part with heterogeneous, or other aromatic amine replace). | [Properties and Applications]
red light purple. Soluble in water for red light purple, slightly soluble in ethanol (for pink) and soluble fiber element. The strong sulfuric acid to red light purple, diluted for darkness product red; In nitric acid for colourful orange, then turn dark colored. The dye solution to join strong hydrochloric acid for red light purple; Add sodium hydroxide solution have strong purplish red precipitate.
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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
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3
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2
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2-3
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2-3
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AATCC
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3
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4
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2
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2
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3
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