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Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 6:13 am |
fenoxaprop p ethyl
Products Photos CatalogFenoxaprop Ethyl Photos Catalog


Chemical Abstracts name: ethyl (R)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoate


rn: [71283-80-2]


Common name: fenoxaprop-P

IUPAC name: (R)-2-[4-(6-chloro-1, 3-benzoxazol-2-yloxy)phenoxy]propionic acid; (R)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionic acid

Chemical Abstracts name: (R)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acid

Cas rn: [113158-40-0]

Physical chemistry


Mol. wt.: 361.8; M.f.: C18H16ClNO5 Form: White, odourless solid. M.p.: 89-91 C. V.p.: 5.3x10-4 mPa (20 C). KOW: logP = 4.58. Henry: 2.74x10-4 Pa m3 mol-1 (calc.) S.g./density: 1.3 (20 C). Solubility: In water 0.7 mg/l (pH 5.8, 20 C). In acetone 200, toluene 200, ethyl acetate >200, ethanol c. 24 (all in g/l, 20 C). Stability: Fenoxaprop-P-ethyl is stable for 90 d at 50 C. Not sensitive to light. Decomposed by acids and alkalis, DT50 >1000 d (pH 5), 100 d (pH 7), 2.4 d (pH 9) (20 C).


Mol. wt.: 333.7; M.f.: C16H12ClNO5 Form: Light beige, weakly pungent, fine powder. M.p.: 155-161 C; V.p.: 1.8x10-1 mPa (20 C). KOW: logP = 1.83-0.24 (pH 5 - pH 9). S.g./density: c. 1.5 (20 C) Solubility: In water 0.27 (pH 5.1), 61 (pH 7.0) (both in g/l, 20 C). In acetone 80, toluene 0.5, ethyl acetate 36, methanol 34 (all in g/l, 20 C).



Biochemistry: Fatty acid synthesis inhibition in grasses, by inhibition of acetyl CoA carboxylase (ACCase).

Mode of action: Fenoxaprop-P-ethyl is a selective herbicide with contact and systemic action, absorbed principally by the leaves, with translocation both acropetally and basipetally to the roots or rhizomes.

Uses: Post-emergence control of annual and perennial grass weeds in potatoes, beans, soya beans, beets, vegetables, peanuts, flax, oilseed rape, and cotton; and (when applied with the herbicide safener mefenpyr-diethyl) annual and perennial grass weeds and wild oats in wheat, rye, triticale and, depending on ratio, in some varieties of barley.

Phytotoxicity: Non-phytotoxic to broad-leaved crops.

Formulation types: EC; EW; SE.

Mammalian toxicology


Oral: Acute oral LD50 for rats 3150-4000, mice >5000 mg/kg.

Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg.

Inhalation: LC50 (4 h) for rats >1.224 mg/l air.

NOEL: (90 d) for rats 0.75 mg/kg b.w. daily (10 ppm), mice 1.4 mg/kg b.w. daily (10 ppm), dogs 15.9 mg/kg b.w. daily (400 ppm).



Birds: Acute oral LD50 for bobwhite quail >2000 mg/kg.

Fish: LC50 (96 h) for bluegill sunfish 0.58, rainbow trout 0.46 mg/l.

Daphnia: LC50 (48 h) 0.56 (pH 8.0-8.4), 2.7 (pH 7.7-7.8) (both mg/l).

Algae: LC50 (72 h) for Scenedesmus subspicatus 0.51 mg/l.

Bees: LC50 (contact) >300 ug/bee; (feed) >1000 ug/bee.

Worms: LC50 (14 d) for Eisenia foetida >1000 mg/kg soil.

Environmental fate

Plants: In plants, fenoxaprop-ethyl is metabolised via fenoxaprop to 6-chloro-2, 3-dihydrobenzoxazol-2-one.

Soil/Environment: In soil, fenoxaprop-ethyl is rapidly hydrolysed to fenoxaprop; DT50 1-10 d.

Company Contact:

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Contact Name: Kevin Xu
Company Name: Shanghai Skyblue Chemical Co., Ltd.
Email: Email
Tel: 86-21-58356613
Fax: 86-21-58358362
Street Address: Rm 15A02, Changhang
Mansion, No.800, Zhangyang Road,
Pudong, Shanghai, 200122, China
Website: http://www.skybluechem.com
Member name: skybluechem
Country: China-CN China
Member Since: 17 June 2010
Total Leads: 76 skybluechem Import Export Business Leads
Business focus: Piperonyl Butoxide, D-allethrin, Diethyltoluamide, Cartap, Tetramethrin, Atrazine, Quizalofop-p-ethyl, Tribenuron-methyl, Acetochlor, Ametryn, Simazine
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