Potassium tetracyanoborate, CAS: 261356-49-4

Key Applications:

1. Coordination Chemistry and Organometallic Synthesis

• Serves as a precursor for generating metal–tetracyanoborate complexes.
• Enables stabilization of high‑valent or electron‑deficient metal centers.
• Useful in ligand‑exchange studies and anion‑tuning experiments.

2. Ionic Liquid and Molten Salt Systems

• Functions as a counterion for designing low‑viscosity ionic liquids.
• Supports development of salts with high electrochemical and thermal stability.
• Used in studies exploring weakly coordinating anions for conductivity optimization.

3. Electrochemical Materials Research

• Investigated as an anion for high‑performance electrolytes.
• Supports studies on ion mobility, charge transport, and redox stability.
• Useful in evaluating anion effects in advanced battery and capacitor systems.

4. Photophysical and Electronic Materials

• Employed in the synthesis of luminescent metal complexes.
• Supports development of materials for nonlinear optics and charge‑transfer systems.
• Useful in tuning electronic properties through controlled anion environments.

5. Analytical and Spectroscopic Applications

• Acts as a reference anion in vibrational spectroscopy due to its characteristic CN stretching modes.
• Used in mechanistic studies involving anion exchange and coordination dynamics.

6. Synthetic Chemistry and Catalysis

• Provides a weakly coordinating environment that enhances catalytic activity in selected transformations.
• Enables formation of reactive cationic intermediates without strong anion interference.

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