6963. Oxyfluorfen

Nomenclature

CAS number: 42874-03-3
2-Chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene; 2-chloro-α,α,α-trifluoro-p-tolyl-3-ethoxy-4-nitrophenyl ether; RH-2915; Delta Goal (Dow AgroSci.); Goal (Dow AgroSci.).
C15H11ClF3NO4; mol wt 361.70.
C 49.81%, H 3.07%, Cl 9.80%, F 15.76%, N 3.87%, O 17.69%.

Description and references

Selective pre- and post-emergence herbicide. Prepn: NL 7303590; H. O. Bayer et al., US 3798276 (1973, 1974 both to Rohm & Haas). Activity: R. Y. Yih, C. Swithenbank, J. Agric. Food Chem. 23, 592 (1975). Metabolism: I. L. Adler et al., ibid. 25, 1339 (1977).

Chemical structure

Properties

Orange crystalline solid, mp 83-84°. Soly in water: 0.1 ppm. Sol in most organic solvents. LD50 orally in male albino rats: >5000 mg/kg (Yih, Swithenbank).

Use

Herbicide.