| Identification | Back Directory | [Name]
7-Hydroxy-8-[[2-methyl-4-[[6,8-bis(sodiosulfo)-2-naphthalenyl]azo]phenyl]azo]naphthalene-1,3-disulfonic acid disodium salt | [CAS]
6226-88-6 | [Synonyms]
C.I.27300
Acid Red 47
C.I.Acid Red 47
Brilliant Croceine 9B
C.I.Acid Red 47:C.I.27300
7-Hydroxy-8-[[2-methyl-4-[[6,8-bis(sodiosulfo)-2-naphthalenyl]azo]phenyl]azo]naphthalene-1,3-disulfonic acid disodium salt | [MOL File]
6226-88-6.mol |
| Hazard Information | Back Directory | [Preparation]
7-Aminonaphthalene-1,3-disulfonic acid diazotization and coupling O-Methylaniline, methanesulfonic acid hydrolyzable group, and diazotization, and with 7-Hydroxynaphthalene-1,3-disulfonic acid coupling. | [Properties and Applications]
colourful red blue light. Soluble in water for product red, not soluble in alcohol. In the strong sulfuric acid as dark blue, diluted into product red. In water solution to join strong hydrochloric acid by product red to wine red; Add thick sodium hydroxide solution for dark brown.
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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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ISO
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4
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2-3
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3
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2-3
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1
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2-3
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