Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt 化学特性,用途語,生産方法
製造方法
4-(4-Aminophenyl)benzenamine diazotization, and 2-Hydroxybenzoic acid?coupling, and then and dilute sulphuric acid common boiling, make the remnants of diazo into alcohol.
Properties and Applications
green yellow. Moderate soluble in water for green light yellow, slightly soluble in Etanol and Cellosolve and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid to red light purple, dilution after light yellow, green brown precipitation.?Dye solution was added concentrated hydrochloric acid to light brown light olive; adding concentrated sodium hydroxide solution was orange.
Standard
|
Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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5
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4-5
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4
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2
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4-5
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4
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5
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AATCC
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3-4
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4-5
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4
|
|
5
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4
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4-5
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Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt 上流と下流の製品情報
原材料
準備製品