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Aromatic building blocks

Triphenylborane

Also known as Triphenylboron, Borane, triphenyl-, Triphenylborine

CAS 960-71-4Formula C18H15BMolar mass 242.13 g/molEC 213-504-2
GHS signal word: Danger. Pictograms: Flammable 6 suppliers listed
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Triphenylborane chemical structure, C18H15B, CAS 960-71-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
960-71-4
Formula
C18H15B
Physical form
Solid
Melting point
142 °C
HS code
293190
Category
Aromatic building blocks
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Triphenylborane?

Plain description, key identifiers and synonyms

Triphenylborane is a chemical substance with the molecular formula C18H15B and a molar mass of 242.13 g/mol. Its CAS registry number is 960-71-4.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenylborane
CAS number
960-71-4 CAS number cross-checkedOther or deprecated CAS: 5181-80-6
EC number
213-504-2
Molecular formula
C18H15B
UNII
6282553L0G
MDL number
MFCD00003007
InChIKey
MXSVLWZRHLXFKH-UHFFFAOYSA-N
InChI
InChI=1S/C18H15B/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
SMILES (canonical and isomeric)
B(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3

Synonyms

  • Triphenylboron
  • Borane, triphenyl-
  • Triphenylborine
  • Triphenyboron
  • boron triphenyl
  • Borine, triphenyl
  • triphenyl boron
  • triphenyl-borane
  • BPh3
  • Ph3B
  • Borine, triphenyl-
  • Triphenylborane, min. 95%
  • B(C6H5)3
  • Triphenylborane, powder, <2% H2O
  • Triphenylboron, Triphenylborine, Borane,triphenyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Solidexp.
Melting point
142 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
242.13 g/molcalc.
Exact mass
242.1267 Dacalc.
LogP (octanol/water)
2.2calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(B(c2ccccc2)c2ccccc2)cc1

c1ccc(B(c2ccccc2)c2ccccc2)cc1

3 rings, 19 atoms. This chemical is the scaffold itself.

61 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable

Hazard statements

  • H228Flammable solid.
Precautionary statements (5)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P370 + P378In case of fire: Use appropriate media to extinguish.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Triphenylborane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 2 countries

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Triphenylborane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triphenylborane is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Triphenylborane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triphenylborane, based on the data on this page

What is Triphenylborane?

Triphenylborane is a chemical substance with the molecular formula C18H15B and a molar mass of 242.13 g/mol. Its CAS registry number is 960-71-4.

What is the CAS number of Triphenylborane?

The CAS registry number of Triphenylborane is 960-71-4. Other or deprecated CAS numbers: 5181-80-6.

What is the molecular formula and weight of Triphenylborane?

The molecular formula of Triphenylborane is C18H15B and its molar mass is 242.13 g/mol.

What is Triphenylborane used for?

Known uses and roles of Triphenylborane include building blocks in research and laboratory.

Is Triphenylborane hazardous?

Triphenylborane carries the GHS signal word "Danger". Main hazards: flammable solid. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triphenylborane?

Triphenylborane is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triphenylborane?

CompoundList lists 6 suppliers of Triphenylborane in United States and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Triphenylborane?

Suppliers quote Triphenylborane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Triphenylborane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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