... ,2,3-Benzotriazole 99.8%, --metal's slow corrosion water treatment chemical 2) low poison, LD50 for small mouse is 965mg ... oil,transformer's oil),emugent,water stabilizer,the additive for high molecular materials'(polyester and polyesteramide)capacity of ultraviolet ... oil,transformer's oil),emugent,water stabilizer,the additive for high molecular materials'(polyester and polyesteramide)capacity 1,2, ...