13-02125. Chlornitrofen [Archived]

Nomenclature

CAS number: 1836-77-7
1,3,5-Trichloro-2-(4-nitrophenoxy)benzene; 4-nitrophenyl-2,4,6-trichlorophenyl ether; 2,4,6-trichlorophenyl-4′-nitrophenyl ether; CNP; MO-338; MO (Mitsui Toatsu); Showrone (Mitsui Toatsu).
C12H6Cl3NO3; mol wt 318.54.
C 45.25%, H 1.90%, Cl 33.39%, N 4.40%, O 15.07%.

Description and references

Prepd, not claimed: NL 6405727; I. Takayuki et al., US 3316080 (1964, 1967 both to Mitsui Chemical); and field studies: G. W. Mason, E. G. Brooker, Proc. 21st N. Z. Weed Pest Control Conf. 163 (1968). Properties: J. Kanazawa, Pestic. Sci. 12, 417 (1981). Absorption and metabolism in crops: H. Shimotori, S. Kuwatsuka, J. Pestic. Sci. 3, 267 (1978). Degradation studies: M. Oyamada, S. Kuwatsuka, ibid. 4, 157 (1979). GC determn in fish: T. Yamagishi et al., Bull. Environ. Contam. Toxicol. 23, 57 (1979); in river water: H. Kobayashi et al., J. Chromatogr. 643, 197 (1993).

Chemical structure

Properties

Pale yellow needles from ethanol, mp 105-106°. Soly: 0.25 mg/l water. Soly at 20-25°: 764 μg/l water. Vapor pressure (109°): 4.67 × 104 mPa. Partition coefficient (octanol/water): 4709. LC50 in carp (48 hr): >10,000 μg/l; LC50 in flea (3 hr): >40,000 μg/l (Kanazawa).

Use

Herbicide.

Status

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