Solvent Orange 56 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
C.I. Solvent Orange 5 (by 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling and then in the 130 ℃ in Chromium formate in aqueous solution, heating 3 hours, make it into Chromium complex and) into metal complex.
Properties and Applications
orange. Soluble in ethanol, slightly soluble in Cellosolve. In concentrated sulfuric acid to dark yellow, diluted into orange; In 10% sodium hydroxide solution for orange.
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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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Well
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180
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Well
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Solvent Orange 56 Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
