2-ヒドロキシ-5-[(2-メトキシフェニル)アゾ]安息香酸 化学特性,用途語,生産方法
製造方法
O-Anisidine diazotized, coupled with 2-Hydroxybenzoic acid.
Properties and Applications
brilliant yellow. Soluble in boiling water for yellow. In concentrated sulfuric acid for yellow brown, dilution after yellow red, then become yellow solution, and accompanied by yellow precipitation. Dye aqueous solution to join hydrochloric acid have yellow precipitation, solution into colloidal; With sodium hydroxide as titian solution and precipitation. Non-crystalline state product melting point 200 ℃. Used for alcohol, esters solvent, grease, paraffin wax, alcohol soluble paint color.
Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Good
|
|
150
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Well
|
Well
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No change
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2-ヒドロキシ-5-[(2-メトキシフェニル)アゾ]安息香酸 上流と下流の製品情報
原材料
準備製品