Synonym: Perfluorotriphenylboron, Tris(perfluorophenyl)borane

CAS Number 1109-15-5 | MDL Number MFCD00269813 | EC Number 414-000-7


Product codeB9155
CAS number1109-15-5
Assay (purity)97%+
Purity methodmin. 97% by elemental analysis
NMRconforms to structure
Molecular weight511.99 g/mol
Appearancewhite to off-white powder
Melting point125 – 129°C
Molecular formulaC18F15B
Linear formula(C6F5)3B
Packagingglassware/metal containers/bubblers

Tris(pentafluorophenyl)borane is used as a catalyst for reductions, alkylations, hydrometallation reactions and catalyzed aldol-type reactions. It is a useful Lewis acid and catalyzes hydrosilylation of aldehydes. Also, this product is utilized in olefin polymerization catalysis. It is applied as a reagent in the preparation of organometallic complexes, as well. See links below

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Tris(pentafluorophenyl)borane contact us at

Safety information

Hazardous class6.1
Packing groupIII
Signal wordDANGER
Hazard statementsH301-H315-H319-H335-H400-H410
Precautionary statementsP261-P264-P270-P271-P273-P280
Transport descriptionTOXIC SOLID, ORGANIC, N.O.S. Tris(pentaflourophenyl) borane
In TSCA registryNo (sold for research and development usage only)

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.


Certificates of Analysis (CoA)

If you don’t see the needed lot of Tris(pentafluorophenyl)borane below please contact customer support at

Lot# 023/286 Lot# 023/297 Lot# 023/307

External identifiers for Perfluorotriphenylboron

Pubchem CID582056
IUPAC Nametris(2,3,4,5,6-pentafluorophenyl)borane
InchI IdentifierInChI=1S/C18BF15/c20-4-1(5(21)11(27)16(32)10(4)26)19(2-6(22)12(28)17(33)13(29)7(2)23)3-8(24)14(30)18(34)15(31)9(3)25

Known applications and external links

With Tris(pentafluorophenyl)borane other customers often ask:

Ereztech synthesizes and sells additional B-compounds.

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