Agrochemical Pesticide Thiamethoxam 98%TC

Common name(ISO)

Thiamethoxam

Development Code 

(for new actives only)

CGA 293343

Chemical name (IUPAC)

(E,Z)-3-(2-chloro-thiazol-5-ylmethyl)-5-methyl-[1,3,5]

oxadiazinan-4-ylidene-N-nitroamine

Chemical name(CA)

3-[(2-chloro-5-thiazolyl)methyl]tetrahydro-5-methyl-N

-nitro-4H-1,3,5-oxadiazin-4 imine

CIPAC No

637

CAS

153719-23-4

EEC No

428-650-4

FAO SPECIFICATION

Not available

Minimum purity

980 g/kg 

Molecular formula

C8H10ClN5O3S

Molecular mass

291.7

Structural formula

Melting point

139.1°C    (=412.3K) (Purity: 99.7%)

Boiling point

Thermal decomposition starts at about 147°C

(i.e. before the boiling point is reached) (Purity: 99.3%)

Appearance 

Slightly cream fine crystalline powder (Purity: 99.7%)

Relative density 

1.57·103 kg/m3 at 20°C corresponding to a relative density 

of 1.57.(Purity:99.7%)

Vapour pressure

In P[Pa]= - 15400.447/ T K + 32.81766 from fit of measurements 

between 90.5 and 121.0°C vapour 

pressure at 25°C: 6.6·10-9 Pa(extrapolated) (Purity:99.7%)

Henry’s law constant

4.7·10-10Pa·m3 / mol

Solubility in water

The solubility in pure water was determined to be : 4.1 g /l at 25°C

Thiamethoxam has no dissociation within the range pH 2 to pH12, 

that means the pH has no effect to 

the water solubility of the compound in the pH range 4 to 10.

(Purity:99.7%)

Solubility in organic solvents

(Purty:98.2%)
Ethyl acetate 7.0 g/l

Dichloromethane 110 g/l

Hexane < 1 mg/l

Methanol 13 g/l

N-octanol 620mg/l