2970. Diallate

Nomenclature

CAS number: 2303-16-4
Bis(1-methylethyl)carbamothioic acid S-(2,3-dichloro-2-propenyl) ester; diisopropylthiocarbamic acid S-2,3-dichloroallyl ester; S-2,3-dichloroallyl diisopropylthiocarbamate; DATC; CP-15336; Avadex.
C10H17Cl2NOS; mol wt 270.22.
C 44.45%, H 6.34%, Cl 26.24%, N 5.18%, O 5.92%, S 11.87%.

Description and references

Prepn: GB 882111; M. W. Harman, J. J. D'Amico, US 3330823 (1961, 1967 both to Monsanto). Toxicity data: Bailey, White, Residue Rev. 10, 97 (1965). Mutagenicity studies: F. DeLorenzo et al., Cancer Res. 38, 13 (1978); I. Schuphan et al., Science 205, 1013 (1979). Herbicidal activity: R. Grover et al., Weed Res. 19, 363 (1979). GLC determn in milk and plant tissue: L. W. Cook et al., J. Assoc. Off. Anal. Chem. 65, 215 (1982). Review of carcinogenic risk: IARC Monographs 30, 235-244 (1983).

Chemical structure

Properties

Brown liquid, bp9 150°. Very slightly sol in water (40 ppm); sol in acetone, benzene, chloroform, ether, heptane. LD50 orally in rats: 395 mg/kg (Bailey, White).

Use

Herbicide.