2187. Chlorpropham

Nomenclature

CAS number: 101-21-3
(3-Chlorophenyl)carbamic acid 1-methylethyl ester; m-chlorocarbanilic acid isopropyl ester; isopropyl-m-chlorocarbanilate; isopropyl N-(3-chlorophenyl)carbamate; chloro-IPC; chloropropham; CIPC; Chlor-IFC; Furloe (PPG); Sprout-Nip (PPG).
C10H12ClNO2; mol wt 213.66.
C 56.21%, H 5.66%, Cl 16.59%, N 6.56%, O 14.98%.

Description and references

Prepn: E. D. Witman, US 2695225; Strain, US 2734911 (1954, 1956 both to Columbia-Southern Chem.); Brockway, US 2806051 (1957 to B. F. Goodrich). Toxicology: E. M. Boyd, E. Carsky, Arch. Environ. Health 19, 621 (1969).

Chemical structure

Properties

Solid, mp 40.7-41.1°. bp2 149°. nD20 1.5388. Commercial product is a liquid. Slightly sol in water; miscible with most oils and organic solvents. LD50 orally in rats: 1.2 g/kg (Boyd, Carsky).

Use

Herbicide; plant growth regulator.