Title: Dicryl
CAS Registry Number: 2164-09-2
CAS Name: N-(3,4-Dichlorophenyl)-2-methyl-2-propenamide
Additional Names: 3¢,4¢-dichloro-2-methylacrylanilide; N-(3,4-dichlorophenyl)methacrylamide; chloranocryl
Manufacturers' Codes: Niagara 4556
Molecular Formula: C10H9Cl2NO
Molecular Weight: 230.09
Percent Composition: C 52.20%, H 3.94%, Cl 30.82%, N 6.09%, O 6.95%
Literature 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).
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).
Melting point: mp 128°
Toxicity data: LD50 orally in rats: 3160 mg/kg (Bailey, White)
Use: Herbicide.

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