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463086

Sigma-Aldrich

Boron trifluoride

electronic grade, ≥99.99%

Synonym(s):

Boron fluoride, Boron trifluoride, Trifluoroborane, Trifluoroboron

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About This Item

Empirical Formula (Hill Notation):
BF3
CAS Number:
7637-07-2
Molecular Weight:
67.81
EC Number:
231-569-5
MDL number:
MFCD00011316
UNSPSC Code:
12352103
PubChem Substance ID:
24869892
NACRES:
NA.23

grade

electronic grade

vapor density

2.38 (21 °C, vs air)

Assay

≥99.99%

form

gas

reaction suitability

core: boron
reagent type: catalyst

impurities

<10 ppm Carbon dioxide (CO2)
<10 ppm Nitrogen(N2) + oxygen (O2)
<10 ppm Other Sulfates
<10 ppm Sulfur dioxide (SO2)
<50 ppm Silicon tetrafluoride (SiF4)

bp

−100 °C (lit.)

mp

−127 °C (lit.)

transition temp

critical temperature −12.3 °C

SMILES string

FB(F)F

InChI

1S/BF3/c2-1(3)4

InChI key

WTEOIRVLGSZEPR-UHFFFAOYSA-N

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General description

Atomic number of base material: 5 Boron

Application

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

Recommended products

Monel control valve Z261793 is recommended.

Signal Word

Danger

Hazard Statements

H280,H314,H330

Hazard Classifications

Acute Tox. 2 Inhalation - Eye Dam. 1 - Press. Gas Compr. Gas - Skin Corr. 1A

Supplementary Hazards

EUH014

Storage Class Code

2A - Gases

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Solid State Ionics, 86-88, 581-581 (1996)
Ramanathan Rajaganesh et al.
Carbohydrate research, 345(12), 1649-1657 (2010-06-29)
BF(3).Et(2)O-catalysed O-glycosylation of 1,2,3-tri-O-acetyl-4,6-O-butylidene- and ethylidene-beta-d-glucopyranose with different aliphatic and aromatic alcohols proceeds for the most part with complete retention of anomeric configuration. Antioxidant activity of O-glycosides shows significant inhibition (IC(50) approximately 77%). 1,3-Dipolar cycloaddition of terminal alkyne derivatives of
Joseph J Topczewski et al.
The Journal of organic chemistry, 74(18), 6965-6972 (2009-08-25)
The first total synthesis of (+)-schweinfurthin B, a potent and differentially active cytotoxic agent, has been accomplished. Completion of the synthesis required just 16 steps in the longest linear sequence from commercially available vanillin. Key synthetic transformations included a Shi
G K Surya Prakash et al.
The Journal of organic chemistry, 74(22), 8659-8668 (2009-10-30)
BF(3)-monohydrate is found to be an efficient and strong acid catalyst as well as an effective protosolvating medium suitable for the hydroxyalkylation of arenes with aromatic aldehydes. This reaction has been extended to aromatic dialdehydes, such as terephthalic dicarboxaldehyde and
Masahiko Maekawa et al.
Dalton transactions (Cambridge, England : 2003), (3)(3), 415-417 (2009-01-06)
Three novel Cu(I)-C2H4 adducts bearing 4-(2-pyridyl)pyrimidine were self-assembled, and the roles of anion and solvent were proved in the formation process.
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