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9-Borabicyclo[3.3.1]nonane

Also known as: 9-BBN, 9-Borabicyclo[3.3.1]nonane monomer, 9-borabicyclo[3,3,1]nonane, 9λ2-borabicyclo[3.3.1]nonane, Borabicyclononane

9-Borabicyclo[3.3.1]nonane (CAS 280-64-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H15B and a molecular weight of 122.016 g/mol. Key properties include a melting point of 150 - 152ºC, a boiling point of 179.3±23.0 °C at 760 mmHg, a density of 0.894 g/mL at 25 °C and a flash point of 62.3±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H260 and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
280-64-8
Jingsj CID
J-4147-4
Molecular Formula
C8H15B
Molecular Weight
122.016 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150 - 152ºC
Boiling Point179.3±23.0 °C at 760 mmHg
Density0.894 g/mL at 25 °C
Flash Point62.3±22.6 °C
Exact Mass122.126678
LogP2.36770
Vapor Pressure1.3±0.3 mmHg at 25°C
Storage ConditionsFlammables area

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H260
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 9-Borabicyclo[3.3.1]nonane?

The CAS number of 9-Borabicyclo[3.3.1]nonane is 280-64-8.

What are the molecular formula and molecular weight of 9-Borabicyclo[3.3.1]nonane?

9-Borabicyclo[3.3.1]nonane has molecular formula C8H15B and molecular weight 122.016 g/mol.

Is 9-Borabicyclo[3.3.1]nonane hazardous?

9-Borabicyclo[3.3.1]nonane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H260; H302 — Harmful if swallowed.

What are the upstream and downstream products of 9-Borabicyclo[3.3.1]nonane?

For 9-Borabicyclo[3.3.1]nonane, Upstream Products: 1,5-cyclooctadiene, 9,9'-Bi(9-borabicyclo[3.3.1]nonane), Borane-methyl sulfide complex; Downstream Products: Indane, 9-methoxy-9-borabicyclo[3.3.1]nonane, (Z)-6-Heneicosen-11-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "9-Borabicyclo[3.3.1]nonane (CAS 280-64-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4147-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.