Potassium tetracyanotitanate(IV) , its cas register number is 75038-71-0. It also can be called Titanate(2-), tetrakis(cyano-C)-, dipotassium, (T-4)- (9CI) .When heated to decomposition it emits toxic fumes of NOx, CN− and K2O.
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Cyanide and its compounds are on the Community Right-To-Know List.