Title: Linuron
CAS Registry Number: 330-55-2
CAS Name: N¢-(3,4-Dichlorophenyl)-
N-methoxy-
N-methylurea
Synonyms: methoxydiuron
Manufacturers' Codes: Du Pont Herbicide 326; HOE-2810
Trademarks: Afalon (Hoechst); Linurex (Makhteshim-Agan); Lorox (DuPont)
Molecular Formula: C9H10Cl2N2O2
Molecular Weight: 249.09
Percent Composition: C 43.40%, H 4.05%, Cl 28.47%, N 11.25%, O 12.85%
Literature References: Selective pre- and post-emergence herbicide. Preparation: Sherer, Heller,
US 2960534 (1960 to Hoechst). Degradn in soil: G. F. Kempson-Jones, R. J. Hance,
Pestic. Sci. 10, 449 (1979). Toxicity study: G. W. Bailey, J. L. White,
Residue Rev. 10, 97 (1965).
Properties: mp 93-94°. Vapor pressure at 24°: 1.5 ′ 10-5 mm Hg. Soly in water: 75 ppm. Partially sol in acetone, alcohol, benzene, toluene, xylene. LD50 orally in rats: 1500 mg/kg (Bailey, White).
Melting point: mp 93-94°
Toxicity data: LD50 orally in rats: 1500 mg/kg (Bailey, White)
Use: Herbicide.