... needle crystal BTA, columnar BTA, tablet BTA and liquid BTA. 1,2,3 benzotrazole(BTA)Properties:It is solved slightly in ... BTA (liquid BTA)It is an upgraded product of 1,2,3 benzotriazole. It can be solved in water by any proportion ... (liquid BTA)Executive standardHB3-97Appearancelight yellow sticky liquidPurity(trinitrosodium) %30minPH (1%aqueous solution)7-9Density1.30±0.15 1,2,3 benzotriazole