Stannic chloride, is a inorganic compound with the formula SnCl4. At room temperature it is a colourless very hygroscopic liquid, which fumes on contact with air, giving a stinging odor.
T 0666 (OTTO) Tin(IV) chloride, 99.99% Cas 7646-78-8 - used as doping polyaniline, an intensively studied polymer, with SnCl4 stabilizes its solution in nitromethane and allows solution processing. Lewis acid catalyst.