CAS No 2312-35-8 , [2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite

Title: Propargite
CAS Registry Number: 2312-35-8
CAS Name: Sulfurous acid 2-[4-(1,1-dimethylethyl)phenoxy]cyclohexyl 2-propynyl ester
Synonyms: sulfurous acid 2-(p-tert-butylphenoxy)cyclohexyl 2-propynyl ester; 2-(p-tert-butylphenoxy)cyclohexyl propargyl sulfite; cyclosulfyne; propargil; BPPS
Manufacturers' Codes: ENT-27226; DO-14
Trademarks: Omite (Uniroyal); Comite (Uniroyal)
Molecular Formula: C19H26O4S
Molecular Weight: 350.47
Percent Composition: C 65.11%, H 7.48%, O 18.26%, S 9.15%
Literature References: Acaricide for control of mites on crops. Prepn and insecticidal properties: R. A. Covey et al., US 3272854 (1966 to U.S. Rubber). Field tests, comparison with other acaricides in control of Pacific spider mite: E. M. Stafford, J. Econ. Entomol. 61, 1641 (1968). Efficacy against citrus red mite: L. R. Jeppson et al., ibid. 62, 531 (1969). Residue determn: J. M. Devine, H. R. Sisken, J. Agric. Food Chem. 20, 59 (1972). Brief account of properties, analysis: G. M. Stone, Anal. Methods Pestic. Plant Growth Regul. 7, 355 (1973). Toxicity studies: T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969).
Properties: Viscous liquid, distils with decomp, stabilized by adding 0.5-1.0% propylene oxide. Soluble in most organic solvents. Practically insoluble in water (10.5 ppm). LD50 in male, female rats (mg/kg): 1480, 1480 orally; 250, 680 dermally (Gaines). LC50 in rainbow trout, bluegill sunfish (ppb): >100, 31 (Stone).
Toxicity data: LD50 in male, female rats (mg/kg): 1480, 1480 orally; 250, 680 dermally (Gaines); LC50 in rainbow trout, bluegill sunfish (ppb): >100, 31 (Stone)
Use: Acaricide.