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Pyridine--borane (1:1)

CAS 110-51-0

Boron, trihydro(pyridine)-, (T-4)-

Molecular structure of 110-51-0
1 BH₃
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Why It Matters

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

Chemical Identity

CAS110-51-0
PubChem CIDNot recorded
DTXSIDDTXSID1051569
FormulaC5H8BN
Mol. Weight92.94 g/mol
SMILESB.C1=CC=NC=C1

Data Sources

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Brief citations

Pyridine--borane (1:1) (CAS 110-51-0) https://chemicalindependence.com/chemical/110-51-0/ EPA TSCA Inventory: CAS 110-51-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293339 for CAS 110-51-0. Reporting year: 2024. https://usatrade.census.gov/