Title: Trifluralin
CAS Registry Number: 1582-09-8
CAS Name: 2,6-Dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine
Additional Names: a,a,a-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine; 2,6-dinitro-N,N-dipropyl-a,a,a-trifluoro-p-toluidine; 2,6-dinitro-N,N-dipropyl-4-trifluoromethylaniline; N,N-dipropyl-2,6-dinitro-4-trifluoromethylaniline
Manufacturers' Codes: L-36352; Lilly 36352
Trademarks: Treflan (Dow AgroSci.); Tri-4 (BASF); Triflurex (Makhteshim-Agan)
Molecular Formula: C13H16F3N3O4
Molecular Weight: 335.28
Percent Composition: C 46.57%, H 4.81%, F 17.00%, N 12.53%, O 19.09%
Literature References: Pre-emergence herbicide used for grass control in crops. Prepn: GB 917253 C.A. 59, 9889b (1963); Soper, US 3403180 (1963; 1968, both to Lilly). Photodecomposition: E. Leitis, D. G. Crosby, J. Agric. Food Chem. 22, 842 (1974). Soil degradation: T. Golab et al., ibid. 27, 163 (1979). Toxicity data: Goldenthal, Toxicol. Appl. Pharmacol. 18, 185 (1971). Carcinogenicity study: J. F. Robens, Vet. Hum. Toxicol. 22, 328 (1980). Review of toxicology: E. Ebert et al., Food Chem. Toxicol. 30, 1031-1044 (1992).
Properties: Yellow crystals, mp 46-47°. bp4.2 139-140°. Slightly sol in water (0.0024 g/100 ml); freely sol in acetone, Stoddard solvent, xylene. LD50 orally in rats: 500 mg/kg (Goldenthal).
Melting point: mp 46-47°
Boiling point: bp4.2 139-140°
Toxicity data: LD50 orally in rats: 500 mg/kg (Goldenthal)
Use: Herbicide. |