B

Boron trifluoride

IUPAC: trifluoroborane

BF3 Inorganic Compounds CAS 7637-07-2
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Quick Reference
Formula / NotationBF3
CAS Number7637-07-2
Molecular Weight67.81
Melting Point-196.1 °F (EPA, 1998)
Boiling Point-148 °F at 760 mmHg (NIOSH, 2024)
Density1.6 (EPA, 1998) - Denser than water; will sink
Solubility106 % (in cold H2O) (NIOSH, 2024)
AppearanceBoron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. ...
Also Known Astrifluoroborane; Trifluoroborane; Trifluoroboron; Borane, trifluoro-; 7637-07-2; Fluorure de bore; Boron fluoride (BF3); Anca 1040; 7JGD48PX8P; DTXSID7041677
CategoryInorganic Compounds

What is Boron trifluoride?

Boron trifluoride (BF3) is an inorganic compound that appears as Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. .... It has a molecular weight of 67.81 g/mol. Its IUPAC name is trifluoroborane. Boiling point: -148 °F at 760 mmHg (NIOSH, 2024). Melting point: -196.1 °F (EPA, 1998).

Formula & Notation

BF3

IUPAC Name: trifluoroborane

Other Names / Synonyms: trifluoroborane; Trifluoroborane; Trifluoroboron; Borane, trifluoro-; 7637-07-2; Fluorure de bore; Boron fluoride (BF3); Anca 1040; 7JGD48PX8P; DTXSID7041677

Properties & Characteristics

Appearance: Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. .... Molecular formula: BF3. Molecular weight: 67.81 g/mol. Boiling point: -148 °F at 760 mmHg (NIOSH, 2024). Melting point: -196.1 °F (EPA, 1998). Density: 1.6 (EPA, 1998) - Denser than water; will sink. Solubility: 106 % (in cold H2O) (NIOSH, 2024). Vapor pressure: 760 mmHg at -149.26 °F Liquid (EPA, 1998).

Physical Data

PropertyValue
Melting Point-196.1 °F (EPA, 1998)
Boiling Point-148 °F at 760 mmHg (NIOSH, 2024)
Density1.6 (EPA, 1998) - Denser than water; will sink
Molecular Weight67.81
Solubility106 % (in cold H2O) (NIOSH, 2024)
AppearanceBoron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. ...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Boron trifluoride
Formula BF3
CAS Number 7637-07-2
Molecular Weight 67.81
Synonyms trifluoroborane; Trifluoroborane; Trifluoroboron; Borane, trifluoro-; 7637-07-2; Fluorure de bore; Boron fluoride (BF3); Anca 1040; 7JGD48PX8P; DTXSID7041677

Frequently Asked Questions

Boron trifluoride (BF3) is an inorganic compound that appears as Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material. .... It has a molecular weight of 67.81 g/mol. Its IUPAC name is trifluoroborane. Boiling point: -148 °F at 760 mmHg (NIOSH, 2024). Melting point: -196.1 °F (EPA, 1998).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.