Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.
理化性质：白色结晶性粉末、溶于水、稀醇、液氨和二甲基甲酰胺，而不溶于乙醇、醚和丙酮。
2
Yellow and oily liquid. It can be ignited. Easy soluble in liquid solvent such as ethanol and ether. Under strong stirring it looks like emulsion when mixing with water.
本品为黄色油状液体，可燃烧，溶于乙醇、乙醚等有机溶剂，与水强搅拌下易呈乳状。
3
White solid. Slightly insoluble in water, soluble in alcohol, ether etc. organic solvent.