Thiamethoxam
NOMENCLATURE
Common name Thiamethoxam
IUPAC name 3-(2-chloro-1,3-thiazol-5-ylmethyl)-5-methyl-1,3,5-oxadiazinan-4-ylidene(nitro)amine
Chemical Abstracts name 3-[(2-chloro-5-thiazolyl)methyl]tetrahydro-5-methyl-N-nitro-4H-1,3,5-oxadiazin-4-imine
CAS RN 153719-23-4
EEC no.
CONTROL OBJECT
Crop
Control object
PHYSICAL CHEMISTRY

Mol. wt. 291.7 

M.f.  C8H10ClN5O3S

Form Crystalline powder. 

M.p. 139.1 °C 

V.p. 6.6×10-6mPa (25 °C)  

KOW logP = -0.13 (25 °C) 

Henry 4.70×10-10 Pa· m3· mol-1 (calc.) 

Solubility In water 4.1 g/l (25 °C).

APPLICATIONGS
Agonist of the nicotinic acetylcholine receptor, affecting the synapses in the insect central nervous system. Biochemistry
Insecticide with contact, stomach and systemic activity. Rapidly taken up into the plant and transported acropetally in the xylem. Mode of action
For control of aphids, whitefly, thrips, ricehoppers, ricebugs, mealybugs, white grubs, Colorado potato beetle, flea beetles, wireworms, ground beetles, leaf miners and some lepidopterous species, at application rates from 10 to 200 g/ha (R. Senn et al., loc. cit.). Major crops for foliar and soil treatments are cole crops, leafy and fruity vegetables, potatoes, rice, cotton, deciduous fruit, citrus, tobacco and soya beans; for seed treatment use, maize, sorghum, cereals, sugar beet, oilseed rape, cotton, peas, beans, sunflowers, rice and potatoes. Also for control of flies in animal and public health, such as Musca domestica, Fannia canicularis, and Drosophila spp. Uses
PRODUCT INFORMATION
Standard of technical material
Testing itemsStandard(w/w)
Content
Loss of drying
Water
Formulation type
content
Package
Mix with
Typical application rates