| Identification | Back Directory | [Name]
disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate | [CAS]
5979-31-7 | [Synonyms]
Direct Red 153
C.I.Direct Red 153:C.I.28210
disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
7-[(3-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenesulfonic acid disodium salt
2-Naphthalenesulfonicacid,7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:2) | [EINECS(EC#)]
227-784-9 | [Molecular Formula]
C29H20N6Na2O8S2 | [MOL File]
5979-31-7.mol | [Molecular Weight]
690.614 |
| Hazard Information | Back Directory | [Preparation]
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 7-(3-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
red to blue light red. Soluble in water for red, soluble in ethanol is palm light orange. In the strong sulfuric acid as dark blue, for orange brown after diluted. The dye solution to join strong hydrochloric acid for olive brown precipitation; Add thick sodium hydroxide solution have sauce 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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4
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2-3
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3
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3-4
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3-4
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AATCC
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4
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2
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4
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2-3
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2-3
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