Molecular formula: C
17H
14ClF
7O
2
Chemical class: pyrethroid insecticides
CAS no.: 79538-32-2
Properties:
Form: colorless solid
Melting point: 44.6
oC
Vapor pressure: 8.4mPa (20
oC)
Solubility in water: 0.02mg/L (20
oC)
Solubility in solvents: in acetone, hexane, toluene, dichloromethane, ethyl acetate >500, methanol 263 (all in g/L, 21
oC)
Stability: stable for>84 days at 50
oC
Toxicity:
Acute oral LD50 for rats: male 22mg/kg, female 35mg/kg
Acute dermal LD50 for rats: male 316mg/kg, female 177mg/kg
Inhalation LC50 for rats: 0.05mg/L
Slight irritation to eyes and skin
Ecotoxicology:
Effects on aquatic organisms: bulltrout LC50 60μg/L, bluegill sunlight 130μg/L
(96h), daphnia EC50 70μg /L (48h), algae EC50 >1.5mg/L (72h)
Effects on bees: oral LD50 1880μg/bee, contact LD50 280μg/bee
Effects on birds: bobwhite quail LD50 730mg/kg, mallard ducks LD50 4190mg/kg
Effects on earthworms: LC50 0.32mg/kg soil
Environmental fate:
At normal application rates, there is no effect on soil microflora or earthworms.
Mode of action:
Acts on the nervous system of insects, and disturbs the function of neurons by interaction with the sodium channel.
Usage:
Control of a wide range of soil insect pests, particularly those of the orders coleoptera,
lepidoptera, and Diptera, in maize, sugar beet, wheat and other crops, as granular and seed treatment products.
