# Boron trifluoride

CAS: 373-57-9
PubChem CID: 11062313
InChIKey: JBXYCUKPDAAYAS-UHFFFAOYSA-N
Molecular formula: CH₄BF₃O
Molar mass: 99.85 g/mol
IUPAC: methanol;trifluoroborane
SMILES: B(F)(F)F.CO
InChI: InChI=1S/CH4O.BF3/c1-2;2-1(3)4/h2H,1H3;
PSA: 20.2 A^2
Hydrogen bond donors: 1
Hydrogen bond acceptors: 4
Rotatable bonds: 0
Heavy atoms: 6
3D structure: 10 atoms, 8 bonds

## About the compound

Boron trifluoride is a chemical compound registered under CAS number 373-57-9. Molecular formula: CH₄BF₃O. Molar mass: 99.85 g/mol. The full systematic IUPAC name is: methanol;trifluoroborane. The molecule contains 10 atoms connected by 8 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molekula/373-57-9/


## Synonyms

  - Boron, trifluoro(methanol)-, (T-4)-
  - RefChem:570108
  - EINECS 206-766-4
  - 373-57-9
  - 2802-68-8
  - BORON TRIFLUORIDE METHANOL
  - methanol;trifluoroborane
  - MFCD00071635
  - methanol,trifluoroborane
  - CH4BF3O
  - BF3 methanol
  - boron fluoride methanol

## Available in the shop

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Product: Boron trifluoride - methanol solution (CAS 373-57-9) — Beijing Tong Guang
URL: https://molgod.org/sds-cards/boron-trifluoride-methanol-solution-cas-373-57-9-beijing-tong-guang/

## Data sources

  - PubChem CID 11062313: https://pubchem.ncbi.nlm.nih.gov/compound/11062313
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=373-57-9
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=373-57-9

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Last updated: 2026-09-02
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