1-Butyl-1-methylpyrrolidinium dicyanamide, CAS: 174501-65-6

Key Applications:

Electrochemistry and Energy Storage

• Electrolytes for supercapacitors and batteries

Its high ionic conductivity and wide electrochemical window support stable charge–discharge cycling in carbon‑based and metal‑oxide devices.

• Electrolyte additive for lithium‑ion systems

DCA anion can improve SEI formation and enhance ion mobility in experimental Li‑ion and Na‑ion cells.

• Electrodeposition media

Enables smooth metal deposition (e.g., Cu, Ni) due to its low viscosity and strong solvation of metal ions.

Catalysis and Synthesis

• Medium for homogeneous and heterogeneous catalysis

Supports transition‑metal catalyzed reactions, especially those requiring polar, non‑volatile solvents.

• Stabilization of reactive intermediates

The dicyanamide anion coordinates well with metal centers, aiding in organometallic transformations.

• Solvent for nucleophilic reactions

DCA’s basicity and coordinating ability can accelerate substitution and condensation reactions.

Materials Science and Polymer Processing

• Plasticizer and processing aid

Improves flow and thermal behavior in polymer melts, especially engineering plastics and ion‑conducting polymers.

• Precursor medium for inorganic and hybrid materials

Useful in sol–gel and templating processes due to its thermal stability and low vapor pressure.

• Dispersant for nanomaterials

Enhances dispersion of carbon nanotubes, graphene, and metal nanoparticles.

Separation Science

• Extraction and liquid–liquid separation

Effective for metal ion extraction, particularly transition metals and lanthanides.

• Chromatography solvent modifier

Improves selectivity in HPLC and supports ionic‑liquid‑based stationary phases.

Tribology and Surface Engineering

• Lubricant and anti‑wear additive

Forms stable boundary layers on metal surfaces, reducing friction and wear under high load.

• Corrosion‑inhibiting medium

DCA anion interacts strongly with metal surfaces, offering protective effects in electrochemical environments.

Thermal and Environmental Applications

• Heat‑transfer fluid component

High thermal stability and low volatility make it suitable for closed‑loop systems.

• CO₂ capture research

DCA‑based ionic liquids have been explored for reversible CO₂ absorption due to their tunable basicity.

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