Title: Neburon
CAS Registry Number: 555-37-3
CAS Name: N-Butyl-N¢-(3,4-dichlorophenyl)-N-methylurea
Additional Names: 3-(3,4-dichlorophenyl)-1-methyl-1-n-butylurea
Trademarks: Kloben Neburon (DuPont)
Molecular Formula: C12H16Cl2N2O
Molecular Weight: 275.17
Percent Composition: C 52.38%, H 5.86%, Cl 25.77%, N 10.18%, O 5.81%
Literature References: Selective pre-emergence herbicide. Prepn: Todd, US 2655444; US 2655445; US 2655446; US 2655447 (all 1953 to du Pont). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals from dioxane + water, mp 101.5-103°. Soly in water at 24°: 48 ppm; sparingly sol in hydrocarbon solvents. Stable toward oxidation and water at ordinary temperatures. LD50 orally in rats: >11000 mg/kg (Bailey, White).
Melting point: mp 101.5-103°
Toxicity data: LD50 orally in rats: >11000 mg/kg (Bailey, White)
Use: Herbicide. |