B

Boron trichloride

IUPAC: trichloroborane

BCl3 Inorganic Compounds CAS 10294-34-5
Expert Written | Fact Checked | Sources Cited | AllChemicals Editorial Team
Quick Reference
Formula / NotationBCl3
CAS Number10294-34-5
Molecular Weight117.2
Melting Point-161 °F (EPA, 1998)
Boiling Point54.5 °F at 760 mmHg (EPA, 1998)
Density1.35 at 53.6 °F (EPA, 1998) - Denser than water; will sink
SolubilitySolubility in water: reaction
AppearanceBoron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or inte...
Also Known Astrichloroborane; Trichloroborane; 10294-34-5; Borane, trichloro-; Trichloroboron; Boron chloride (BCl3); Chlorure de bore; K748471RAG; DTXSID2041676; RefChem:5612
CategoryInorganic Compounds

What is Boron trichloride?

Boron trichloride (BCl3) is an inorganic compound that appears as Boron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or inte.... It has a molecular weight of 117.2 g/mol. Its IUPAC name is trichloroborane. Boiling point: 54.5 °F at 760 mmHg (EPA, 1998). Melting point: -161 °F (EPA, 1998).

Formula & Notation

BCl3

IUPAC Name: trichloroborane

Other Names / Synonyms: trichloroborane; Trichloroborane; 10294-34-5; Borane, trichloro-; Trichloroboron; Boron chloride (BCl3); Chlorure de bore; K748471RAG; DTXSID2041676; RefChem:5612

Properties & Characteristics

Appearance: Boron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or inte.... Molecular formula: BCl3. Molecular weight: 117.2 g/mol. Boiling point: 54.5 °F at 760 mmHg (EPA, 1998). Melting point: -161 °F (EPA, 1998). Density: 1.35 at 53.6 °F (EPA, 1998) - Denser than water; will sink. Solubility: Solubility in water: reaction. Vapor pressure: 760 mmHg at 54.86 °F (EPA, 1998).

Physical Data

PropertyValue
Melting Point-161 °F (EPA, 1998)
Boiling Point54.5 °F at 760 mmHg (EPA, 1998)
Density1.35 at 53.6 °F (EPA, 1998) - Denser than water; will sink
Molecular Weight117.2
SolubilitySolubility in water: reaction
AppearanceBoron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or inte...

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 trichloride
Formula BCl3
CAS Number 10294-34-5
Molecular Weight 117.2
Synonyms trichloroborane; Trichloroborane; 10294-34-5; Borane, trichloro-; Trichloroboron; Boron chloride (BCl3); Chlorure de bore; K748471RAG; DTXSID2041676; RefChem:5612

Frequently Asked Questions

Boron trichloride (BCl3) is an inorganic compound that appears as Boron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or inte.... It has a molecular weight of 117.2 g/mol. Its IUPAC name is trichloroborane. Boiling point: 54.5 °F at 760 mmHg (EPA, 1998). Melting point: -161 °F (EPA, 1998).

More "B" Terms

View all "B" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.