The general name of penoxsulam is penoxsulam, and the codes are DE-638, XDE-638, XR-638, DASH-00 1, DASH-100, X-638177; Commodity names: Clipper 25 OD, Cranite GR, Graniee SC and daojie. The chemical name is 3-(2,2- difluoroethoxy)-n-(5,8-dimethoxy-triazolo [1, 5-C] pyrimidine -2- yl)-α, α, α-trifluoromethyl -2- sulfonamide. The login number of CA is 2 197 14-96-2.
The crude drug is a light brown solid with a relative density of 1.6 1g/mL(20℃). The melting point is 2 12℃ and the vapor pressure is 2.49× 10- 14Pa(20℃) and 9.55×10-/4pa (25℃). Solubility (mg/L, 19℃): water 5.7(pH5), 4 10(pH7), 1460(pH9). Stable in water with pH5-9.