... Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical 2) low poison, LD50 for small mouse is 965mg/kg 1 ... ,2,3-BENZOTRIAZOLECAS NO.95-14-7Molecular weight:119 Chemical ... properties:It's not inflammable or explosive or corrosive,low poison and the LD50 for small mouse is 965mg/ ... 99.8%, --metal's slow corrosion water treatment chemical