... Professional package FAO Standards NOMENCLATURE Common name: bispyribac-sodium Classification: herbicideIUPAC name :sodium 2,6-bis(4,6-dimethoxypyrimidin-2-yloxy)benzoate ... Chemical name :sodium 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoate ... RN [125401-75-4] for acid; [125401-92-5] for sodium salt PHYSICAL CHEMISTRY Composition Tech. is >93%. Mol. wt. ...