... price, please contact me to know detail 1..BTA:99.8% 2.well-known as its good ... for Copper Corrosion Inhibitor,is an intermediate of pesticides.BTA(1,2,3-BENZOTRIAZOLE) [Molecular weight]: 119[Chemical ... CAsh content:≤0.03%PH value5-6 [Uses]: BTA is mainly used as rust-preventer,antifreezing liquid,antioxidant ... LD50 for small mouse is 965mg/kg.[Packing]: BTA is in woven plastic bags,mutiple bags or ...