Title: Butylate
CAS Registry Number: 2008-41-5
CAS Name: Bis(2-methylpropyl)carbamothioic acid
S-ethyl ester
Synonyms: diisobutylthiocarbamic acid
S-ethyl ester;
S-ethyl
N,N-diisobutylthiocarbamate; butilate; diisocarb
Manufacturers' Codes: R-1910
Trademarks: Sutan Plus (Zeneca); Anelda (Sagrochem)
Molecular Formula: C11H23NOS
Molecular Weight: 217.37
Percent Composition: C 60.78%, H 10.67%, N 6.44%, O 7.36%, S 14.75%
Literature References: Selective pre-planting herbicide. Prepn: H. Tilles,
J. Am. Chem. Soc. 81, 714 (1959); H. Tilles, J. Antognini,
US 2913327 (1959 to Stauffer). Metabolism: J. P. Hubbell, J. E. Casida,
J. Agric. Food Chem. 25, 404 (1977). Soil degradation: F. W. Roeth
et al., Weed Technol. 3, 24 (1989). HPLC determn in water: C. H. Marvin
et al., Anal. Chem. 62, 1495 (1990). Weed control in alfalfa: N. Sarpe
et al., Meded. Fac. Landbouwwet. Univ. Gent 57, 1117 (1992); in combination with atrazine,
q.v., in corn: G. D. Hoyt,
Crop Prot. 14, 75 (1995).
Properties: Clear liquid, bp21 138°.
nD30 1.4701; d 0.9417. Vapor press at 25°: 1.3 ′ 10-3 mm Hg. Soly in water at 25°: 45 mg/l.
Boiling point: bp21 138°
Index of refraction: nD30 1.4701
Density: d 0.9417
Use: Herbicide.