Description General description Imazapic is an imidazolinone herbicide which is effective against weedy rice constraints. Application Imazapic may be used as a reference standard for the determination of imazapic in rice samples by high-performance liquid chromatography. Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. Legal Information PESTANAL is a registered trademark of Sigma-Aldrich International GmbH