Tefluthrin
Chemical name: Tefluthrin
CAS No.: 79538-32-2
Empirical formula: C17H14ClF7O2
Structural formula:
Molecular mass: 418.74
Basic chemical and physical data: Mixture of 2 isomers, the appearance is colorless solid (pure) or off-white (technical). Density: 1.23g/cm3, melting point: 44 – 46℃, vapor pressure: 80mPa (20℃). Solubility (20℃): 0.02mg/L in water (Buffer water pH5.0/pH0.2, pure water pH6.5), greater than 0.5mg/L in acetone, dichloromethane, ethyl acetate, hexane, toluene, 263mg/L in methanol. Stability: stable for more than 270d at 15 – 25℃; stable for more than 84d at 50℃; the aqueous solution (pH7) will lose 27% - 30% within 31days by expos
Usage: Tefluthrin is a pyrethroid insecticide, it is a soil insecticide to control the coleopterist pests, the lepidopteran with the habitat in soil, and some diptera pests.
Toxicity: The acute oral LD50 (mg/kg): 22 - 35 in rats, 45 – 56 in mice, 4190 in mallard, and 730 in quail. The acute dermal LD50 (mg/kg): 148 in male rats, 262 in female rats. The NOEL for rats (2-years) is 25
Storage: Tefluthrin shall be stored in a cool, dry and well ventilated place. It should not be stored or transported along with foods.
Package: 25kg fibre drum, or according to the customer’s requirements.
Attention:
Formulation: 4.5%EC
  Specification of technical:

Appearance: Off-white solid

Content of A.I.: 92.0% min.

Moisture: 0.5% max.

Acidity (cal. as H2SO4): 0.3% max.

Insoluble substance in acetone: 0.5% max.