(Botanic source insecticide-from the root of the Sophora, Flavescens, Ait. ) CAS Reg.: 519-02-8 Molecular formula: C15H24N2O Molecular weight: 248.36 Specification: 90%-98% technical grade( white crystal powder) Solubility: Easy to soluble in water, ethanol, chloroform and toluol, benzene. Store: Cool, dry, shadow place. Easy to get wet in the air when uncovered, Shelf life: 2 years. Formulation: 0.5%Matrine SL Function mechanism: The product exerts its function mainly by direct contact, subsidiary by stomach poison. Once pests touch it, their nervous systems are paralyzed immediately, then proteins of their bodies will denaturalize, finally they will die of breathlessness.