| Identification | Back Directory | [Name]
4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt | [CAS]
6548-25-0 | [Synonyms]
C.I.26310
Acid Black 27
C.I.Acid Black 27
C.I.Acid Black 27:C.I.26310
4-[[4-[(4-Amino-1-naphtyl)azo]-6-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt
8-[(4-aminonaphthalen-1-yl)diazenyl]-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate | [Molecular Formula]
C30H19N5Na2O6S2 | [MOL File]
6548-25-0.mol |
| Hazard Information | Back Directory | [Preparation]
4-Aminonaphthalene-1-sulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and Naphthalen-1-amine coupling. | [Properties and Applications]
brown light black. Soluble in water for deep red, slightly soluble in alcohol. The strong sulfuric acid for blue-black, diluted into a deep red. In water solution to join strong hydrochloric acid is a deep red; Add thick sodium hydroxide solution for deep red.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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5
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2
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3-4
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2-3
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2
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