Quizalofop-P-ethyl
    精喹禾灵
Introduction: Quizalofop-P-ethyl is a selective, postemergence phenoxy herbicide. It is used to control annual and perennial grass weeds in potatoes, soybeans, sugar beets, peanuts vegetables, cotton and flax. The compound is absorbed from the leaf surface and is moved throughout the plant. It accumulates in the active growing regions of stems and roots. Quizalofop-P and quizalofop-p-ethyl should not to be confused with quizalofop or quizalofop ethyl. These latter two compounds are distinctly different than the former two. The material in this profile only refers to the compound quizalofop-p-ethyl unless specifically stated to the contrary. This is a relatively new compound and thus very little information is available about its toxicity or environmental characteristics. The compound is a General Use Pesticide.
Common name: Quizalofop-P-ethyl
Another name: Assure II; Targa Super; Quizalofop-P-ethyl [ISO]; (R)-Quizalofop Ethyl; DPX-Y6202-31; NCI-861094; etc.
Chemical name: ethyl (R)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionate
Empirical formula: C19H17ClN2O4
Structural formula:
Mol. Weight: 372.81 g/mol
CAS No.: 100646-51-3
Specifications
Leading Quizalofop-P-ethyl supplier
Quizalofop-P-ethyl 95% TC
Quizalofop-P-ethyl 96 g/L EC
Quizalofop-P-ethyl 50 g/L EC
Packing:
BULK PACKING
Powder: 25kg/Bag, 25kg/Drum, 50kg/Drum etc.
Liquid: 200L/Drum, 20L/Drum, 10L/Drum etc.
SMALL PACKING
Powder: 1kg/Alu bag, 500g/Alu bag, 200g/Alu bag, 100g/Alu bag, 50g/Alu bag, 15g/Alu bag etc.
Liquid: 5L/Drum, 1L/Bottle, 500ml/Bottle, 250ml/Bottle, 100ml/Bottle, 50ml/Bottle etc.
Customerized packing label
Quizalofop-P-ethyl FAO standard
Professional registration
HAZARDS IDENTIFICATION
Hazard statement(s)
H302 (63.16%): Harmful if swallowed.
H312 (45.61%): Harmful in contact with skin.
H400 (47.37%): Very toxic to aquatic life.
H410 (52.63%): Very toxic to aquatic life with long lasting effects.
H413 (45.61%): May cause long lasting harmful effects to aquatic life.
Precautionary statement(s)
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312: IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell.
P302+P352: IF ON SKIN: wash with plenty of water.
P312: Call a POISON CENTER or doctor/... if you feel unwell.
P322: Specific measures (see ...on this label).
P330: Rinse mouth.
P363: Wash contaminated clothing before reuse.
P391: Collect spillage.
P501: Dispose of contents/container to an approved waste disposal plant.
Supplemental Hazard Statements: none.
MAMMALIAN TOXICOLOGY
Acute toxicity: 1) Acute oral LD50 for rats is 1182 mg/kg. 2) Acute dermal LD50 for rats is >5000 mg/kg. 3) Acute inhalation toxicity LC50 (4 h) for rats is 5.8 mg/L. 4) Skin irritation: Non-irritating to skin (rabbits). 5) Eye irritation: Slightly irritating to eyes (rabbits). 6) Skin sensitization for guinea pig: Not sensitising.
NOEL: (2 y) for male rats is 0.9 mg/kg/day, for female rats is 1.1 mg/kg/day. Other Not carcinogenic. Not genotoxic.
ADI 0-0.009 mg/kg b.w.
Classification:
WHO Classification: NL (Not listed)
EC Risk Classification: Xn - Harmful: R22
US EPA Classification (formulation): Not available
ECOTOXICOLOGY
Effect on birds: Acute oral LD50 for Mallard is >2000 mg/kg. Effect on fish: Acute LC50 (96 h) for Bluegill sunfish is 0.21 mg/l. Effects on aquatic invertebrates: Acute EC50 (48 h) for Daphnia magna is 0.29 mg/l. Effects on algae: Acute 72 hour EC50 for Pseudokirchneriella subcapitata is 0.021 mg/l. Effects on bees: contact acute 48 hour LD50 is >100 μg/bee, oral acute 48 hour LD50 is >100 μg/bee. Effects on earthworms: Acute 14 day LC50 is >500 mg/kg.
ENVIRONMENTAL FATE
Breakdown in soil and groundwater: Quizalofop-p-ethyl is moderately persistent in soils, with a reported half-life of 60 days. It may be more rapidly broken down in soil with high microbial activity. It is moderately to strongly sorbed to soils, and studies indicate very low soil mobility. It should not leach significantly into water. Breakdown in water: No data are currently available. Breakdown in vegetation: No data are available regarding the breakdown of the compound; however, it is absorbed from the leaf surface and translocated throughout the plant. It accumulates in the active growing regions of stems and roots.
Usage: Quizalofop-P-ethyl was introduced by Nissan Chemical Industries, Ltd. It is an post-emergence annual and perennial grass weed herbicide in sugerbeetand other crops.
Application: Biochemistry Fatty acid synthesis inhibitor (inhibition of acetyl CoA carboxylase) Mode of action Systemic herbicide, absorbed from the leaf surface, with translocation throughout the plant, moving in both the xylem and phloem, and accumulating in the meristematic tissue. Uses Selective post-emergence control of annual and perennial grass weeds in potatoes, soya beans, sugar beet, peanuts, oilseed rape, sunflowers, vegetables, cotton, and flax.
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