... C6H5N3 Appearance: White needle-shape crystal Content: 99.8% 1,2,3-BenzotriazoleCAS No.: 95-14-7EINECS No.: 202-394 ... 5-6APHA (color): 40# max.Packing: 20kg/bagUse: It's mainly used as rust-preventer, antifreezing liquid, antioxidant additive(including ... lubricating oil, hydraulic oil, brake oil, transformer's oil), emugent, water stabilizer, the additive for high molecular materials ...