7084. Pendimethalin

Nomenclature

CAS number: 40487-42-1
N-(1-Ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine; N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine; N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitroaniline; penoxalin; AC-92553; Herbadox (BASF); Pendimax (Dow AgroSci.); Prowl (BASF); Stomp (BASF).
C13H19N3O4; mol wt 281.31.
C 55.50%, H 6.81%, N 14.94%, O 22.75%.

Description and references

Pre-emergence and pre-planting herbicide. Prepn: R. H. Kupelian, DE 2232263 C.A. 78, 84010z (1973) and A. W. Lutz, R. E. Diehl, DE 2241408 C.A. 78, 135858s (1973) (both 1973 to Am. Cyanamid). Activity: H. A. Roberts, W. Bond, Proc. 12th Br. Weed Control Conf. 1, 387 (1974). Persistence in soil: A. Walker, W. Bond, Pestic. Sci. 8, 359 (1977).

Chemical structure

Properties

Orange-yellow cryst solid, mp 56-57°. Vapor press at 25°: 3 × 10-5 mm Hg. Soly in water at 20°: 0.3 mg/l. Sol in most organic solvents.

Use

Herbicide.