Common Name

Imidacloprid

Action

Insecticide

Class

Chloronicotinyl

CAS number

138261-41-3

Structural Formula

Physical and Chemical Characteristics

M.f. : C₉H₁₀ClN₅O₂

Mol. Wt. :  255.7

Form : Colourless crystals, with a weak characteristic odour

Chemical name :
1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine

M.p. 144 °C

V.p. : 4 × 10-7 mPa (20 °C); 9 × 10-7 mPa (25 °C)

Kow logP : 0.57 (21 °C)

Henry : 1.7 × 10^-10 Pa m³ mol^-1 (20 °C, calc.)

S.g./density: 1.54 (23 °C)

Solubility:
In water 0.61 g/l (20 °C). In dichloromethane 67, isopropanol 2.3, toluene 0.69 (all in g/l, 20 °C); in n-hexane <0.1 g/l (ambient temperature).

Stability:
Stable to hydrolysis at pH 5-11.

pKa : N/A

F.p.：N/A

Specification

Imidacloprid content, % ≥ 95.0
Loss on drying,% ≤ 1.0
Acidity, % ≤ 0.5
DMF insoluble, % ≤ 0.5