| Identification | Back Directory | [Name]
tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate | [CAS]
6428-60-0 | [Synonyms]
Blue 2GL
C.I.34220
Solar Blue 2G
Einecs 229-211-8
C.I.Direct Blue 75
Amanil Fast Blue 2GL
Enianil Light Blue GL
ZVMRKYGPNCNIPE-FQAJCAEFSA-N
Direct blue 75 (C.I. 34220)
C.I.Direct Blue 75:C.I.34220
C.I. Direct blue 75, tetrasodium salt
Tetrasodium 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-7-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]benzene-1,4-disulphonate
Tetrasodium 5-((1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl)azo)-8-((6-sulphonato-4-((3-sulphonatophenyl)azo)naphthyl)azo)naphthalene-2-sulphonate
tetrasodium 5-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-8-[[6-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate
2-Naphthalenesulfonic acid, 5-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-8-[[6-sulfo-4-[(3-sulfophenyl) azo]-1-naphthalenyl]azo]-, tetrasodium salt
2-Naphthalenesulfonic acid, 5-(2-(1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)diazenyl)-8-(2-(6-sulfo-4-(2-(3-sulfophenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4) | [EINECS(EC#)]
229-211-8 | [Molecular Formula]
C42H25N7Na4O13S4 | [MDL Number]
MFCD00071901 | [MOL File]
6428-60-0.mol | [Molecular Weight]
1055.91 |
| Hazard Information | Back Directory | [Uses]
C.I. Direct blue 75 is a good dyeing agent for cotton fabrics. | [Preparation]
3-Aminobenzenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | [Properties and Applications]
dark blue. Soluble in water for blue, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted to red light purple red for brown. The dye solution to join strong hydrochloric acid for blue; Add thick sodium hydroxide solution for red light purple
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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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4-5
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4
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5
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2-3
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3
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AATCC
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4
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3-4
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4-5
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2
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3
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| [References]
[1] Sawada K, Ueda M. Adsorption behavior of direct dye on cotton in non-aqueous media[J]. Dyes and pigments, 2003, 58(1): 37-40. |
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