White or yellowish-white crystal or crystalline powder, slightly odor, bitter taste. Soluble in acetone, soluble in methanol, ethanol or acetonitrile, insoluble in ether, insoluble in water. Acute toxicity LD50 male and female mice, male and female rats (mg/kg): >4000, >4000, >4000, >4000 orally; >4000, >4000, >4000, >4000 subcutaneously; 1145, 1191, 1423, 1528 intraperitoneally; 1126, 1121, 1119, 1277 intravenously.
