CAS No. 58594-77-7


ACTIVITY: Herbicide (Aryloxyphenoxy propionic acid)

Systematic Name: Propanoic acid, 2-(4-(4-(trifluoromethyl)phenoxy)phenoxy)-, methyl ester


Regulatory Information
(only comprehensive for the US)
US EPA Registered: No 
Other Information
Molecular Formula: C17-H15-F3-O4  
Other Names: 


HOE 29152
EINECS 261-352-0

Propanoic acid, 2-(4-(4-(trifluoromethyl)phenoxy)phenoxy), methyl ester

Systematic Names

Methyl 2-(p-(p-(trifluoromethyl)phenoxy)phenoxy)propionate

Propanoic acid, 2-(4-(4-(trifluoromethyl)phenoxy)phenoxy)-,
methyl ester

Of special interest:
See also Trifop 

Source: WEED SCI; 29 (3). 1981. 308-313

Factors affecting toxicity and translocation of metriflufen in cotton (Gossypium hirsutum cultivar Stoneville 213).

Author Address: Plant Physiol. and Lab. Tech., Delta Branch of the Mississippi Agric. and For. Exp. Stn., Stoneville, MS 38776. .

Toxicity of nonradiolabeled and translocation of 14C-labeled metriflufen (2-(4-(4-trifluoromethylphenoxy)phenoxy) propanoic acid ) in cotton (G. hirsutum L. 'Stoneville 213') were evaluated under different environmental conditions as affected by surfactant and by the maturity of stem or leaf tissue at the place of herbicide application. Cotton was very tolerant to metriflufen, with the greatest tolerance at high temperatures. The herbicide entered the plant quite rapidly and autoradiographs indicated that radioactivity from the herbicide moved freely throughout the plant. Relative humidity (RH) of 40-100% had little effect on metriflufen toxicity. Two weeks after treatment with metriflufen at 0.5 kg/ha cotton was essentially free of injury symptoms at 35ê C, but injury was as great as 41 and 13% at 18ê and 25ê C, respectively. All plants recovered fully after 6 additional weeks in the greenhouse. When surfactant was added to the spray solutions cotton injury was frequently increased during the first 2 wk but not after 8 wk. Accumulation of 14C at the site of 14C-metriflufen application was 31-65% after 48 h. Between 16-51% of the applied 14C moved from the treated area by translocation to other parts of the plant or by volatilization into the atmosphere. Movement was greatest from stem tissue at 35ê C and 100% RH. There was no correlation between 14C movement and herbicide toxicity within the plant. The selectivity of metriflufen to cotton probably results from deactivation by or tolerance within, the plant rather than form differential absorption and translocation of the herbicide.

Source: WEED SCI; 28 (5). 1980. 493-498.

Control of quackgrass (Agropyron repens) in soybeans (Glycine max) with HOE 29152.

Author Address: Dep. Agron. Plant Genet., Univ. Minn., St. Paul, Minn. 55108, USA.

Adverse Effects:

As of April 2003: No data available

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