Identification | Back Directory | [Name]
sodium 3-[[5-(acetylethylamino)-o-tolyl]azo]-4-hydroxy-6-[(4-methoxyphenyl)amino]naphthalene-2-sulphonate | [CAS]
6369-33-1 | [Synonyms]
C.I.17640 Acid Brown 20 Acid Fast Brown G C.I.Acid Brown 20 C.I.Acid Brown 20:C.I.17640 sodium 3-[[5-(acetylethylamino)-o-tolyl]azo]-4-hydroxy-6-[(4-methoxyphenyl)amino]naphthalene-2-sulphonate 3-[[5-(Acetylethylamino)-2-methylphenyl]azo]-4-hydroxy-6-[(4-methoxyphenyl)amino]-2-naphthalenesulfonic acid sodium salt sodium,(3Z)-3-[[5-[acetyl(ethyl)amino]-2-methylphenyl]hydrazinylidene]-6-(4-methoxyanilino)-4-oxonaphthalene-2-sulfonate | [EINECS(EC#)]
228-868-8 | [Molecular Formula]
C28H29N4NaO6S | [MOL File]
6369-33-1.mol | [Molecular Weight]
572.61 |
Hazard Information | Back Directory | [Preparation]
N-(3-amino-4-methylphenyl)-N-ethylacetamide?diazo, in alkaline conditions and 4-Hydroxy-6-(4-methoxyphenylamino)naphthalene-2-sulfonic acid?coupling. | [Properties and Applications]
ark brown. Soluble in water for brown, and adequate soluble in alcohol for brown. The strong sulfuric acid for cherry red, for brown after diluted. In water solution to join strong hydrochloric acid with olives brown precipitation; Add thick sodium hydroxide solution for red orange brown.
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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3
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3-4
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3
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2-3
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4
|
|
|
|
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