3088. Dicryl

Nomenclature

CAS number: 2164-09-2
N-(3,4-Dichlorophenyl)-2-methyl-2-propenamide; 3′,4′-dichloro-2-methylacrylanilide; N-(3,4-dichlorophenyl)methacrylamide; chloranocryl; Niagara 4556.
C10H9Cl2NO; mol wt 230.09.
C 52.20%, H 3.94%, Cl 30.82%, N 6.09%, O 6.95%.

Description and references

Post-emergence herbicide. Prepn from 3,4-dichloroaniline with methacryloyl chloride in the presence of triethylamine. Prepd but not claimed: Thompson, US 3169850 (1965). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).

Chemical structure

Properties

Crystals from ethanol + petr ether, mp 128°. Practically insol in water. Soluble in acetone, alcohol, isophorone, dimethyl sulfoxide. LD50 orally in rats: 3160 mg/kg (Bailey, White).

Use

Herbicide.