Pioneering Ionic Liquids for a Sustainable Future
RoCo® is the only U.S.-based company dedicated exclusively to ionic liquids—high‑performance, tunable materials that enable cleaner, more efficient technologies across industries. Through our strategic partnership with IoLiTec Ionic Liquids Technologies GmbH, RoCo® is the exclusive North American distributor of IoLiTec’s globally recognized ionic liquid portfolio, ensuring reliable supply, technical depth, and expanded product access across North America.
About RoCo®
RoCo® develops and supplies high‑purity ionic liquids for energy storage, advanced materials, separations, catalysis, and sustainable manufacturing. We are scaling production to meet growing demand by 2026, offering custom‑engineered ionic liquids designed for performance, safety, and environmental impact reduction.
Our combined RoCo® + IoLiTec portfolio delivers one of the most comprehensive ionic liquid offerings in the world—supported by U.S.-based logistics, documentation, and application expertise.
What Are Ionic Liquids?
Ionic liquids are salts that remain liquid below 100°C, composed entirely of ions rather than neutral molecules. Their unique properties—non‑volatility, thermal stability, and molecular tunability—make them powerful alternatives to traditional solvents and functional materials across industry.
Cations (Positively Charged Species)
Common cation families include imidazolium, pyrrolidinium, piperidinium, choline, ammonium, phosphonium, and sulfonium.
Cations influence:
- Viscosity and fluidity
- Thermal and oxidative stability
- Electrochemical window
- Solvation and coordination behavior
- Compatibility with polymers, metals, and electrolytes
Anions (Negatively Charged Species)
Representative anions include TFSI⁻, FSI⁻, PF₆⁻, BF₄⁻, phosphinates, sulfonates, and carboxylates.
Anions determine:
- Hydrophobicity vs. hydrophilicity
- Ionic conductivity
- Chemical and thermal stability
- Metal coordination and extraction selectivity
- Solubility and phase behavior
Molecular Structure & Tunability
Structural tuning allows ionic liquids to be engineered for:
- Lower viscosity and improved mass transport
- Higher ionic conductivity for battery electrolytes
- Tailored polarity for separations
- Enhanced thermal and oxidative stability
- Specific interactions with catalysts, polymers, or biomolecules
This tunability makes ionic liquids “materials by design”—engineered at the molecular level for targeted performance.
Applications
Energy Storage
RoCo® ionic liquids enable high‑voltage, non‑flammable, and thermally stable electrolytes for lithium‑ion, sodium‑ion, and emerging battery chemistries.
Polymer Composites & Recycling
Our ionic liquids improve composite processing, enhance mechanical performance, and enable efficient chemical recycling of PET, polyamides, and engineered polymers.
Biotechnology & Pharmaceuticals
High‑purity ionic liquids support biocatalysis, selective extraction, purification, and formulation of sensitive pharmaceutical intermediates.
Lubricant Additives
Ionic liquids deliver exceptional friction reduction, wear protection, and thermal stability for automotive, aerospace, and electronics lubrication systems.
RoCo® + IoLiTec: North American Distribution Partnership
RoCo® is the exclusive North American distributor of IoLiTec Ionic Liquids Technologies GmbH, providing customers with:
- Access to one of the world’s largest ionic liquid catalogs
- Reliable regional inventory and shorter lead times
- U.S.-based customer support, documentation, and logistics
- Application expertise across energy storage, catalysis, separations, and materials science
- Custom synthesis and scale‑up pathways through IoLiTec’s global R&D network
This partnership combines European R&D excellence with North American supply‑chain reliability, ensuring consistent quality and dependable delivery for industrial, academic, and government customers.
Procurement & Technical Support
RoCo® provides:
- High‑purity, batch‑consistent ionic liquids with full COA and SDS
- Custom cation/anion combinations tailored to performance targets
- Scalable production from pilot to commercial volumes
- Application‑specific formulations for electrolytes, separations, composites, and catalysis
- Export compliance, cross‑border documentation, and U.S.-based logistics
- Direct access to IoLiTec’s global ionic liquid portfolio