| Identification | Back Directory | [Name]
4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt | [CAS]
4656-30-8 | [Synonyms]
C.I.30345
Direct Black 14
C.I.Direct Black 14
C.I.Direct Black 14:C.I.30345
4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt
2,7-Naphthalenedisulfonic acid, 4-amino-6-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-3-((4-nitrophenyl)azo)-, trisodium salt | [Molecular Formula]
C38H28N9NaO13S3 | [MOL File]
4656-30-8.mol | [Molecular Weight]
937.86 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, and 4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and products in the coupling alkaline conditions coupled, then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling. | [Properties and Applications]
blue and black. Soluble in water for dark, soluble in ethanol for blue light green. In the dark for the strong sulfuric acid to blue-black, diluted galleries for. The dye solution to join strong hydrochloric acid for navy, precipitation; Join the red light sulfuric acid 10%; Add thick sodium hydroxide solution have dark blue 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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2-3
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4-5
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3-4
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2
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2
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