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Thiamethoxam

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Thiamethoxam Basic information
Thiamethoxam Chemical Properties
  • Melting point:139.1°
  • Boiling point:485.8±55.0 °C(Predicted)
  • Density 1.71±0.1 g/cm3(Predicted)
  • vapor pressure 6.6 x 10-9 Pa (25 °C)
  • storage temp.  0-6°C
  • Water Solubility 4.1 x 103 mg l-1 (25 °C)
  • pka0.99±0.10(Predicted)
  • form neat
  • BRN 8491021
  • InChIKeyNWWZPOKUUAIXIW-DHZHZOJOSA-N
  • EPA Substance Registry SystemThiamethoxam (153719-23-4)
Safety Information
  • Hazard Codes Xn
  • Risk Statements 22-50/53
  • Safety Statements 22-61-60
  • RIDADR UN 3077 9 / PGIII
  • WGK Germany 2
  • HS Code 29341000
  • ToxicityLD50 in rats (mg/kg): 1563 orally, >2000 dermally; LD50 in bobwhite quail, mallard duck (mg/kg): 1552, 576 orally. LC50 (96hr) in rainbow trout, bluegill (mg/l): >100, >114 (Senn).
Thiamethoxam Usage And Synthesis
  • Chemical PropertiesOff-White to Pale Yellow Solid
  • UsesA neonicotinoid insecticide. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queen s.
  • UsesInsecticide.
  • UsesThiamethoxam is a broad spectrum insecticide active against a wide spectrum of sucking and chewing insect pests after foliar, soil or seed treatment.
  • DefinitionChEBI: An oxadiazane that is tetrahydro-N-nitro-4H-1,3,5-oxadiazin-4-imine bearing (2-chloro-1,3-thiazol-5-yl)methyl and methyl substituents at positions 3 and 5 respectively.
  • Metabolic pathwayAll the information on thiamethoxam is taken from a summary of the proceedings of meeting published by the manufacturer. Full experimental details are not given in the report and the identity of metabolites is not disclosed (Novartis, 1997).
  • DegradationThiamethoxam is hydrolytically stable at pH 5 (half-life about 200-300 days). The compound is more labile at pH 9 where the half-life is a few days. It is rapidly photodegraded with a half-life of about 1 hour. In aquatic systems, degradation occurs under alkaline conditions and the insecticide is rapidly photodegraded but not readily biodegraded (Novartis, 1997).
Thiamethoxam(153719-23-4)Related Product Information
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