8911. Sulfallate

Nomenclature

CAS number: 95-06-7
Diethylcarbamodithioic acid 2-chloro-2-propenyl ester; diethyldithiocarbamic acid 2-chloroallyl ester; 2-chloroallyl diethyldithiocarbamate; CDEC; CP-4742; Vegadex (Monsanto).
C8H14ClNS2; mol wt 223.79.
C 42.94%, H 6.31%, Cl 15.84%, N 6.26%, S 28.66%.

Description and references

Selective pre-planting or pre-emergence herbicide. Prepn: Harman, D'Amico, J. Am. Chem. Soc. 75, 4081 (1953); GB 769222 (1957 to Monsanto). Toxicity data: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965). Review of carcinogenic risk: IARC Monographs 30, 283-291 (1983).

Chemical structure

Properties

Amber liquid, bp1 128-130°. nD25 1.5822. d25 1.088. Soly in water at 25°: 100 ppm. Sol in most organic solvents. LD50 orally in rats: 850 mg/kg (Bailey, White).

Caution

Prolonged contact with skin and eyes may cause moderate irritation. See Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section II, p 313. This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-238.

Use

Herbicide.