Halex GT | Syngenta LLC | Agworld DBX | Greenbook View the product label for Halex GT from Syngenta LLC. See active ingredients, product application, restrictions, and more at Agworld DBX, powered by Greenbook ... Halex GT Syngenta LLC. Labels. Label SDS. Snapshot ID: 46191 Active ingredients Mesotrione S-Metolachlor Glyphosate, N-(phosphonomethyl) glycine Classification. F2. Herbicide. WSSA ...