Preparation
2-Aminobenzoic acid diazotization and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in Formamide solution in 113 ~ 115 ℃, and Chromium formate heating 6 hours, form Chromium complex, 1 mol chrome on 2 Moore dye.
Properties and Applications
red light yellow. With C.I. Acid Yellow 121, C.I. Solvent Yellow 21 and the same chemical structure. Used for alcohol esters solvent tinting; Also used in alcohol soluble paint and nitro 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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Well
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200
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Insoluble
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Insoluble
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Insoluble
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