CAS 34171-69-2: Potassium tricyanomethanide

Potassium tricyanomethanide is a precursor used for the preparation of dicyano ketene aminals. It reacts with amines to prepare alkyl ammonium tricyanomethanide. Further, it is involved in the preparation of tricyanomethanide-bridged binuclear organometallic complexes such as Cp(dppe)FeC(CN)3 and Cp(PPh3)2RuC(CN)3. It is used as starting material utilized in the preparation of 5-Amino-3-bromo-1-(tert-butyl)-1H-pyrazole-4-carbonitrile, which undergoes sandmeyer reaction to get the corresponding diaminopyrazole, 5-amino-3-aryl-1-(tert-butyl)-1H-pyrazole-4-carboxamides. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Potassium tricyanomethanide is an alkoxycarbonyl compound that reacts with anions to form the corresponding cation. It has a molecular weight of 130.08 and a melting point of −63.5 °C, and exhibits thermal expansion properties. The reaction mechanism for this compound is not well-known, but it is assumed to be a nucleophilic substitution reaction involving acetonitrile as the nucleophile. Potassium tricyanomethanide can be used in electrophotographic applications due to its luminescence properties, which are determined by its nitro group and hydrocarbon group. This compound also undergoes bond cleavage reactions with trialkylsilyl groups or carbon dioxide to generate potassium cyanide or carbon monoxide, respectively.

Potassium tricyanomethanide, min. 98%