Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 6331Generated: October 26, 2026

Borane

BH3 · Boron trihydride

https://huagongshe.com/en/chemical/6331

Borane molecular structure

Identifiers & Physical Properties

CAS No.13283-31-3
Molecular formulaBH3
Average molar mass13.84 g/mol
Monoisotopic mass14.0327805 g/mol
SMILESB
InChIKeyUORVGPXVDQYIDP-UHFFFAOYSA-N
PubChem CID6331
ChEBICHEBI:30149
DTXSIDDTXSID201356389

Chemical & Physical Properties

Topological polar surface area0
Hydrogen bond donors0
Hydrogen bond acceptors0
Rotatable bonds0
Heavy atoms1
Formal charge0
Complexity0
Chemical classesToxic Gases & Vapors -> Hydrides
Melting point-58.0 °C
Boiling point53 °C
Density1.00 g/cm3(Temp: -65 °C)
Specific heat capacityCp(gas): 2.6 J/(g·K), at 25℃

Safety & Regulations

Hazards summarySee Diborane.