C.I. 용제 오렌지 056

C.I. 용제 오렌지 056 화학적 특성, 용도, 생산

• 제조 방법

  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.
  

  Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
  		Melting point	Stable
  ISO	Well		180	Well

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