Common name: Imidacloprid Chemical name: 1-(6-chloro-3-pyridylmethyl)-N-nitromidazolidin-2-ylideneamine CAS No.: 138261-41-3 Molecular Formula: C9H10ClN5O2 Molecular Weight: 255.7 Physical chemistry: Form Colourless crystals with a weak characteristic odour. M. P. 144 centidegree (crystal form1); 136.4 centidegree (crystal form2)V. P. 0.2μPaS. G/density 1.54(20 centidegree) Solubility In water 0.51g/l(20 centidegree). In dichloromethane 50-100, isopropanol 1-2, toluene 0.5-1, n-hexan<0.1(all in g/l, 20 centidegree). Stability stable to hydroliysis at pH5-11. INTRODUCTION Systemic insecticide with translaminar activity and with contact and stomach action. Readily taken up by the plant and further distributed acropetally, with good root-systemic action. Control of sucking insects, including rice-, leaf- and planthoppers, aphids, thrips and whitefly. Also effective against soil insects, termites and some species of biting insects, such as rice water weevil and Colorado beetle. Has no effect on nematodes and spider mites. Used as a seed dressing, as soil treatment and as foliar treatment in different crops, e. G. Rice, cotton, cereals, maize, sugar beet, potatoes, vegetables, citrus fruit, pome fruit and stone fruit.