7804. Propanil

Nomenclature

CAS number: 709-98-8
N-(3,4-Dichlorophenyl)propanamide; 3′,4′-dichloropropionanilide; N-(3,4-dichlorophenyl)propionamide; DPA; FW-734; Stam (Dow AgroSci.); Stampede (Dow AgroSci.).
C9H9Cl2NO; mol wt 218.08.
C 49.57%, H 4.16%, Cl 32.51%, N 6.42%, O 7.34%.

Description and references

Selective contact herbicide. Prepn: W. Sch"afer et al., DE 1039779 (1958 to Bayer), C.A. 54, 20060i (1960); Huffman, Allen, J. Agric. Food Chem. 8, 298 (1960). Use in nematocide formulations: Fielding, Stoddard, US 3108038 (1963 to du Pont). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).

Chemical structure

Properties

White crystalline solid, mp 91-93°. Soly in water at room temp: 225 ppm. LD50 orally in rats: 1384 mg/kg (Bailey, White).

Use

Herbicide.