Colorless transparent volatile liquid. Has the similar ether of excitant odour. Soluble in about 50 times of water, soluble in phenol, aldehydes and ketones, glacial acetic acid, phosphoric acid ethyl ester, three ethyl allylacetoacetate, ring has amine. Chlorinated hydrocarbon solvents and other ethanol, ethyl ether and N, N-DMF immiscible. Soluble in about 50 times of water, soluble in phenol, aldehydes and ketones, glacial acetic acid, phosphoric acid ethyl ester, three ethyl allylacetoacetate, ring has amine. And chlorinated hydrocarbon solvents and other ethanol, ethyl ether and N, N-DMF immiscible, critical temperature of 245 degrees, the critical pressure 6.171 MPa. Boiling point: 40 degrees Density: 1.325 Melting point: -97 degrees Refractive index: 1.4244 Flash point and 40 ° C- Storage conditions Store at RT. Water solubility 20 g/L (20 degrees) Merck 14606 3 BRN 1730800 Boiling point 39.8-40 ° C mm Hg (lit. ) Vapor density 2.9 (vs air) Vapor pressure 24.45 psi (55 ° C).