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Chemical Identification
Common Name
Haloxyfop
中文通用名
氟吡禾灵
IUPAC
RS-2-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)phenoxy]propionic acid
CAS
RS-2-[4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acid
CAS No.
69806-34-4
Molecular Formula
C15H11ClF3NO4
Molecular Structure
Category
Activity
Herbicide
Premix
Rimsulfuron+Haloxyfop-P-methyl
Haloxyfop-P-methyl+Clethodim
Glufosinate-ammonium+Haloxyfop-P-methyl
Fluoroglycofen-ethyl+Haloxyfop-P-methyl
Physical Properties
Molecular weight:361.7g/mol; Physical form:Colourless crystals. Density:1.64; Melting point:107-108 °C; Vapour pressure:<1.33×10-3 mPa (25℃); Partition coefficient(n-octanol and water):logP = 1.34 (20℃, unstated pH); pKa:2.9; Solubility:In water 43.4 mg/l (pH 2.6, 25℃); 1.590 (pH 5), 6.980 (pH 9) (both in mg/l, 20℃). In acetone, methanol, isopropanol >1000, dichloromethane 459, ethyl acetate 518, tol; Stability: DT50 in water 78 d (pH 5), 73 d (pH 7), 51 d (pH9).
Toxicology
Oral Acute oral LD50 for male rats 337 mg/kg.Skin and eye Acute percutaneous LD50 for rabbits >5000 mg/kg.
Environmental Profile
Ecotoxicology:

Algae: EC50 (96 h) 106.5 mg/l.Birds:Acute oral LD50 for mallard ducks >2150 mg/kg. Dietary LC50 (8 d) for mallard ducks and bobwhite quail >5620 mg/ kg diet.Daphnia: LC50 (48 h) 96.4 mg/l.Fish: LC50 (96 h) for trout >800 mg/l.
Transport Information
Hazard Class:II(Moderately hazardous)

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