Tris(pentafluorophenyl)borane

Also known as: Perfluorotriphenylborane, Tris(pentafluorophenyl)boron, B(C6F5)3, Tris(2,3,4,5,6-pentafluorophenyl)borane, Tris(perfluorophenyl)borane, Perfluorotriphenylboron, Borane, tris(2,3,4,5,6-pentafluorophenyl)-

Tris(pentafluorophenyl)borane (CAS 1109-15-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18BF15 and a molecular weight of 511.98 g/mol. Key properties include a melting point of 126-131 °C(lit.), a boiling point of 327.3±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 151.7±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1109-15-5
Jingsj CID: J-1962211-8
Molecular Formula: C₁₈BF₁₅
Molecular Weight: 511.98 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	126-131 °C(lit.)
Boiling Point	327.3±42.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	151.7±27.9 °C
Exact Mass	511.985352
LogP	5.91
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.455

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Tris(pentafluorophenyl)borane?

The CAS number of Tris(pentafluorophenyl)borane is 1109-15-5.

What are the molecular formula and molecular weight of Tris(pentafluorophenyl)borane?

Tris(pentafluorophenyl)borane has molecular formula C18BF15 and molecular weight 511.98 g/mol.

Is Tris(pentafluorophenyl)borane hazardous?

Tris(pentafluorophenyl)borane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Tris(pentafluorophenyl)borane?

For Tris(pentafluorophenyl)borane, Upstream Products: 1-Bromo-2,3,4,5,6-pentafluorobenzene, Pentafluorobenzene, Trimethyl borate; Downstream Products: Iodopentafluorobenzene, Perfluorotoluene, Bis(pentafluorophenyl)borinic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tris(pentafluorophenyl)borane (CAS 1109-15-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962211-8 (accessed 2026-11-09).

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