3049. Dichlormid

Nomenclature

CAS number: 37764-25-3
2,2-Dichloro-N,N-di-2-propenylacetamide; N,N-diallyl-2,2-dichloroacetamide; R-25788.
C8H11Cl2NO; mol wt 208.09.
C 46.18%, H 5.33%, Cl 34.07%, N 6.73%, O 7.69%.

Description and references

Increases corn tolerance to thiocarbamate and chloroacetanilide herbicides. Field and growth room trials in protection of corn from herbicide injury: F. Y. Chang et al., Can. J. Plant Sci. 52, 707 (1972); eidem, Weed Res. 13, 399 (1973). Effects on uptake and metabolism of EPTC, q.v.: eidem, J. Agric. Food Chem. 22, 245 (1974). Prepn and use in combination with thiocarbamate herbicides: F. M. Pallos et al., US 4021224 (1977 to Stauffer). Synergistic activity with herbicides that affect photosynthesis: C. Fedtke, R. H. Strang, Z. Naturforsch. 45c, 565 (1990). Effects on lipid biosynthesis in maize: I. Cs. Barta, ibid. 46c, 926 (1991); in barley and wild oats: A. Baldwin et al., J. Exp. Bot. 54, 1289 (2003). Environmental tolerances: Fed. Regist. 65, 16143 (2000). Photodegradation study: A. W. Abu-Qare, H. J. Duncan, Chemosphere 46, 1183 (2002).

Chemical structure

Properties

bp0.4 kPa 96°. nD30 1.4990. LD50 orally in rats: 2146 mg/kg (Fed. Regist.).

Derivative

Combination with acetochlor.

Nomenclature

CAS number: 144115-48-0
Surpass (Dow AgroSci.); TopNotch (Dow AgroSci.).

Use

Herbicide safener.