3- ??? ?? -4- ? ?? -2- ??????
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3- ??? ?? -4- ? ?? -2- ?????? ??
- ???
- 229~230℃
- ?? ?
- 426.8±30.0 °C(Predicted)
- ??
- 1.304±0.06 g/cm3(Predicted)
- ?? ?? (pKa)
- 8.75±0.40(Predicted)
- CAS ??????
- 92-79-5(CAS DataBase Reference)
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- ?? ? ???? ?? (GHS)
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p-Anisidine?and 3-Hydroxy-2-naphthoic acid condensation.Properties and Applications
Light brown powder evenly. In the ethanol frond-like crystal shrinkage, melting point for 229 ~ 230 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine. In the sulfuric acid is shallow brown in the solution; Sodium hydroxide solution for yellow in the liquid. Sensitive to air. Mainly used for cotton fabrics, PVA, viscose, silk and vinegar fiber dyeing and printing of cotton fabric. Can be used for the manufacture of pigment fast. This product to cotton affinity medium, coupled ability medium.3- ??? ?? -4- ? ?? -2- ?????? ?? ?? ? ???
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