463086 Aldrich

Boron trifluoride

electronic grade, ≥99.99%



Related Categories Acids, Acids & Bases, Boron, CVD and ALD Precursors by Metal, Catalysis and Inorganic Chemistry,
grade   electronic grade
vapor density   2.38 (21 °C, vs air)
assay   ≥99.99%
form   gas
impurities   <10 ppm Nitrogen(N2) + oxygen (O2)
  <10 ppm Sulfur dioxide (SO2)
  <20 ppm Carbon dioxide (CO2)
  <20 ppm Silicon tetrafluoride (SiF4)
bp   −100 °C(lit.)
mp   −127 °C(lit.)
transition temp   critical temperature −12.3 °C



Employed recently in a study of conductivity enhancement of CaF2 by grain boundary activation with Lewis acids.1

General description

Atomic number of base material: 5 Boron


20 g in ss cylinder

Recommended products

Monel control valves Z261793, Z261807 or Monel gas regulators Z405981, Z406007 are recommended.

Price and Availability

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10 % (w/w), pkg of 400 mL

Boron trifluoride


Boron trifluoride - 1-butanol solution

~10% in 1-butanol (∼1.3 M), for GC derivatization, for esterification of fatty acids for GC purposes

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Supplemental Hazard Statements 
Reacts violently with water.
Hazard Codes (Europe) 
Risk Statements (Europe) 
Safety Statements (Europe) 
UN 1008 8(2.3)
WGK Germany 

Protocols & Articles


High Purity Metalorganic Precursors for CPV Device Fabrication

Thin film photovoltaic devices have become increasingly important in efficiently harnessing solar energy to meet consumer demand. Conventional crystalline silicon solar cells have demonstrated remark...
Simon Rushworth
Material Matters Volume 5 Article 4
Keywords: Absorption, Capabilities, Chemical vapor deposition, Degradations, Deposition, Mass spectrometry, Nuclear magnetic resonance spectroscopy, Protocols, Purification, Semiconductor, Solar cells, Spectroscopy, Tissue microarrays, Tools, Usage, Vaporization

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Peer-Reviewed Papers


Set your institution to view full text papers.

1. Solid State Ionics 86-88, 581, (1996)

A unique chair-shaped hexanuclear Cu(I) metallamacrocyclic C2H4 adduct encapsulating a BF4- anion. Maekawa M, Nabei A, Tominaga T, et al. Dalton Trans. (3), 415-7, (2009)


Nucleophilic addition of potassium alkynyltrifluoroborates to D-glucal mediated by BF3 x OEt2: highly stereoselective synthesis of alpha-C-glycosides. Vieira AS, Fiorante PF, Hough TL, et al. Org. Lett. 10(22), 5215-8, (2008)


How to modulate the chemical structure of polyoxazolines by appropriate functionalization. Guillerm B, Monge S, Lapinte V, et al. Macromol. Rapid Commun. 33(19), 1600-12, (2012)


Recoil frame photoelectron angular distributions of BF3: a sensitive probe of the shape resonance in the F 1s continuum. Mizuno T, Adachi J, Miyauchi N, et al. J. Chem. Phys. 136(7), 074305, (2012)


BF3·OEt2-promoted diastereoselective diacetoxylation of alkenes by PhI(OAc)2. Zhong W, Yang J, Meng X, et al. J. Org. Chem. 76(24), 9997-10004, (2011)


BF3-H2O catalyzed hydroxyalkylation of aromatics with aromatic aldehydes and dicarboxaldehydes: efficient synthesis of triarylmethanes, diarylmethylbenzaldehydes, and anthracene derivatives. Prakash GK, Panja C, Shakhmin A, et al. J. Org. Chem. 74(22), 8659-68, (2009)


BF3 x Et2O-mediated cascade cyclizations: synthesis of schweinfurthins F and G. Mente NR, Neighbors JD, and Wiemer DF J. Org. Chem. 73(20), 7963-70, (2008)


Drying enhanced adhesion of polythiophene nanotubule arrays on smooth surfaces. Lu G, Hong W, Tong L, et al. ACS Nano 2(11), 2342-8, (2008)


Total synthesis of (+)-schweinfurthins B and E. Topczewski JJ, Neighbors JD, and Wiemer DF J. Org. Chem. 74(18), 6965-72, (2009)


Determination of underivatized long chain fatty acids using RP-HPLC with capacitively coupled contactless conductivity detection. Makahleh A, Saad B, Siang GH, et al. Talanta 81(1-2), 20-4, (2010)


The influence of the acidity of ionic liquids on catalysis. Cui X, Zhang S, Shi F, et al. ChemSusChem 3(9), 1043-7, (2010)


Fluoroanalogs of DDT: superacidic BF3-H2O catalyzed facile synthesis of 1,1,1-trifluoro-2,2-diarylethanes and 1,1-difluoro-2,2-diarylethanes. Prakash GK, Paknia F, Mathew T, et al. Org. Lett. 13(15), 4128-31, (2011)


Synthesis and antioxidant activity of a novel class of 4,6-O-protected O-glycosides and their utility in disaccharide synthesis. Rajaganesh R, Jayakumar J, Sivaraj C, et al. Carbohydr. Res. 345(12), 1649-57, (2010)


Enantioselective stable isotope analysis (ESIA) of polar herbicides. Maier MP, Qiu S, and Elsner M Anal. Bioanal. Chem 405(9), 2825-31, (2013)


Synthesis and AChE inhibitory activity of new chiral tetrahydroacridine analogues from terpenic cyclanones. dos Santos Pisoni D, Sobieski da Costa J, Gamba D, et al. Eur. J. Med. Chem. 45(2), 526-35, (2010)


Reactivity of 2,6-lutidine/BR₃ and pyridine/BR₃ Lewis pairs (R = F, Me, C₆F₅): a density functional study. Wu D, Jia D, Liu L, et al. J. Phys. Chem. A 114(43), 11738-45, (2010)


Stabilization of zwitterionic aryltrifluoroborates against hydrolysis. Wade CR, Zhao H, and Gabbaï FP Chem. Commun. (Camb.) 46(34), 6380-1, (2010)


Ultra trace determination of fluorobenzoic acids in tap and reservoir water using solid-phase extraction and gas chromatography-mass spectrometry. Müller K and Seubert A J. Chromatogr. A 1260, 9-15, (2012)


Antioxidant properties of Mannich bases. Park DH, Venkatesan J, Kim SK, et al. Bioorg. Med. Chem. Lett. 22(20), 6362-7, (2012)


On chirality transfer in electron donor-acceptor complexes. A prediction for the sulfinimine···BF3 system. Rode JE and Dobrowolski JC Chirality 24(1), 5-16, (2012)


Isotope effects associated with the preparation and methylation of fatty acids by boron trifluoride in methanol for compound-specific stable hydrogen isotope analysis via gas chromatography/thermal conversion/isotope ratio mass spectrometry. Chivall D, Berstan R, Bull ID, et al. Rapid Commun. Mass Spectrom. 26(10), 1232-40, (2012)


Generation and characterization of a distonic biradical anion formed from an enediynone prodrug in the gas phase. Yang L, Bekele T, Lipton MA, et al. J. Am. Soc. Mass Spectrom. 24(4), 563-72, (2013)


Temperature dependence of the (1)J((11)B(19)F) spin-spin coupling in BF(3) molecule. Jackowski K, Makulski W, Szyprowska A, et al. Magn. Reson. Chem. 47(10), 857-61, (2009)


A novel method of boron delivery using sodium iodide symporter for boron neutron capture therapy. Kumar S, Freytag SO, Barton KN, et al. J. Radiat. Res. 51(5), 621-6, (2010)


A high yield procedure for the preparation of arsonolipids (2,3-diacyloxypropylarsonic acids). Ioannou PV and Tsivgoulis GM Chem. Phys. Lipids 163(1), 51-5, (2010)


Synthesis of novel acetates of beta-caryophyllene under solvent-free Lewis acid catalysis. Bandna, Jaitak V, Kaul VK, et al. Nat. Prod. Res. 23(15), 1445-50, (2009)


Merck 14,1349

Fieser 1,68 / Fieser 3,32 / Fieser 5,51 / Fieser 7,31 / Fieser 10,50 / Fieser 11,71

Corp MSDS 1 (1), 482:D / RegBook 1 (3), 3307:A / Vapor Phase 3, 1687:B

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