| Identification | Back Directory | [Name]
3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt | [CAS]
6548-32-9 | [Synonyms]
C.I.34210
Direct Blue 69
C.I.Direct Blue 69
C.I.Direct Blue 69:C.I.34210
3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt | [MOL File]
6548-32-9.mol |
| Hazard Information | Back Directory | [Preparation]
3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | [Properties and Applications]
red light navy blue. Soluble in water for blue, slightly soluble in ethanol for Light gray Light purple, insoluble in other organic solvents. The strong sulfuric acid for gray Light black, diluted for purple. The dye solution to join strong hydrochloric acid have precipitation of dark; Sodium hydroxide solution to join a purple precipitation.
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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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4-5
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5
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3
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3
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