Properties: Light yellow needles or prisms from pentane, mp 81-82° (Beyerman); golden yellow prisms from petr ether, mp 41.5-42.5° (House). bp0.05 139-140°. uv max (alcoholic molar soln): 265, 232 nm (log e 4.48, 3.62); (carbon tetrachloride): 238, 245, 317 nm (e 39700, 46900, 960). LD50 s.c. in mice: 1-1.3 g/kg (Beyerman, Veer).
Melting point: mp 81-82° (Beyerman); mp 41.5-42.5° (House)
Boiling point: bp0.05 139-140°
Absorption maximum: uv max (alcoholic molar soln): 265, 232 nm (log e 4.48, 3.62); (carbon tetrachloride): 238, 245, 317 nm (e 39700, 46900, 960)
Toxicity data: LD50 s.c. in mice: 1-1.3 g/kg (Beyerman, Veer)
Status: This monograph has been retired and is no longer subject to revision or update.
产品链接: 634-19-5››