Preparation
4-Nitro[1.8]naphthalic anhydride with 2-Aminobenzenethiol?etherification, with Octadecanamine and amination, with Sodium nitrite diazotization, with Copper sulfate monohydrate closed loop, and then soda boiling.
Properties and Applications
yellow. Yellow orange powder. Insoluble in water, soluble in organic solvent is easy. This product has the beautiful fluorescence, good light resistance, good thermal fastness. For polymethyl methacrylate, polystyrene, polyester plastic coloring
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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7
|
105
|
300
|
|
|
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