Appearance:Colorless liquid Properties:The relative density of 1.726. Melting point -24.1 ℃. Boiling point 136.4 ℃. Refractive index 1.6059. Uses:Determination of trace iron cyanide. Iodometric method for the preparation of titanium trichloride. Mordant. Smoke mixed with ammonia. Polymerization catalyst. Glass with iridescent agent. Storage:Sealed in dry place.