Nature: White luster flake or leafy crystallization. and it is flammable. Soluble in mineral acids and dilute salt
The relative density 0.9619(20, 4℃)
Refractive index: 1.5534(45℃)
Floc point: 87.2℃
Slightly soluble in water, Soluble in ethanol, Ether, Carbon bisulfide with oil it can volatilize with the water vapor