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1-Butyl-1-methylpyrrolidinium tetracyanoborate

CAS 1266721-18-9

Pyrrolidinium, 1-butyl-1-methyl-, tetrakis(cyano-κC)borate(1-) (1:1)

EPA and Census publish no US supply data for this chemical.

Molecular structure of 1266721-18-9
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS1266721-18-9
PubChem CIDNot recorded
DTXSIDDTXSID50893186
FormulaC13H20BN5
Mol. Weight257.15 g/mol
SMILESN#C[B-](C#N)(C#N)C#N.CCCC[N+]1(C)CCCC1

Data Sources

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Brief citations

1-Butyl-1-methylpyrrolidinium tetracyanoborate (CAS 1266721-18-9) https://chemicalindependence.com/chemical/1266721-18-9/ EPA TSCA Inventory: CAS 1266721-18-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory