13-02989. Dialifor [Archived]

Nomenclature

CAS number: 10311-84-9
Phosphorodithioic acid S-[2-chloro-1-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl] O,O-diethyl ester; phosphorodithioic acid O,O-diethyl ester S-ester with N-(2-chloro-1-mercaptoethyl)phthalimide; O,O-diethyl S-(2-chloro-1-phthalimidoethyl)phosphorodithioate; dialifos; Hercules 14503; Torak (Hercules).
C14H17ClNO4PS2; mol wt 393.85.
C 42.69%, H 4.35%, Cl 9.00%, N 3.56%, O 16.25%, P 7.86%, S 16.28%.

Description and references

Prepn: Jamison, US 3355353 (1967 to Hercules). Acute toxicity: T. B. Gaines, R. E. Linder, Fundam. Appl. Toxicol. 7, 299 (1986).

Chemical structure

Properties

White crystalline solid, mp 67-69°. Also reported as oil; when recrystallized from toluene + hexane, mp 62-64°. Insoluble in water. Generally sol in aromatic hydrocarbons, ethers, esters, ketones. LD50 in adult male, female rats (mg/kg): 24, 6 orally (Gaines, Linder).

Use

Insecticide; acaricide.

Status

This monograph has been retired and is no longer subject to revision or update.