Colorless or light yellow viscous liquid, density 0.96g/cm3, boiling point 204~206°C/30mmHg, flash point 27.8°C,nD20 1.4390 (refractive index of 20°C), soluble in ethanol, isopropanol, toluene, flammable, moisture absorption, water decomposition into aluminum hydroxide and secondary butanol.

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