Sodium Tolytriazole 50% is most frequently used in alkaline environments such as for engine coolants & cleaners, metalworking fluids, cooling towers, inks, and cleaners. Its mainly used as a metal, rust inhibitor, widely used in anti-rust oil (Grease) products, mostly used for copper and copper alloy gas phase corrosion inhibitor, lubricating oil additives, automotive antifreeze. Sodium Tolytriazole 50% can also be used together with scale inhibitors. It's used in many commercial and industrial products like, corrosion inhibitors and ant scaling agents, functional fluids, lubricants and lubricant additives. It's also used in anti-freeze and de-icing products, cleaning and furnishing care products, water treatment products and auto products. Specifications Appearance: Amber Liquid Assay: 49.5 -51.0% Specific Gravity (25oC): 1.186 - 1.196 Free Alkalinity (as NaOH): 0.50% Max pH (10% water @ 25oC): 11.5 - 12.0 Chloride Content: 50 PPM Max Turbidity (10% water): 30.0 NTU Max Packing 500 LB Drum