| Identification | Back Directory | [Name]
5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt | [CAS]
6426-74-0 | [Synonyms]
C.I.22595
Direct Blue 64
Hispamin Blue HW
C.I.Direct Blue 64
C.I.Direct Blue 64:C.I.22595
5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt | [Molecular Formula]
C32H21N6Na3O11S3 | [MOL File]
6426-74-0.mol | [Molecular Weight]
830.707 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions in turn and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling. | [Properties and Applications]
dark blue. Soluble in water for blue, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for colourful blue, diluted for purple; In nitric acid solution for blue, to brown. The dye solution to join hydrochloric acid blue precipitation; Add 10% sodium hydroxide solution for Violet.
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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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AATCC
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3
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5
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2
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1
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3
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