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463086

Sigma-Aldrich

Boron trifluoride

electronic grade, ≥99.99%

Synonym(s):
Boron trifluoride, Boron fluoride, Trifluoroborane, Trifluoroboron
Empirical Formula (Hill Notation):
BF3
CAS Number:
Molecular Weight:
67.81
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

electronic grade

Quality Level

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

Packaging

20 g in stainless steel cylinder

Application

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

Recommended products

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

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Press. Gas Compr. Gas - Skin Corr. 1A - STOT RE 2 Inhalation - STOT SE 3

Target Organs

Kidney, Respiratory system

Supplementary Hazards

Storage Class Code

2A - Gases

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Solid State Ionics, 86-88, 581-581 (1996)
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.
Gewu Lu et al.
ACS nano, 2(11), 2342-2348 (2009-02-12)
Polythiophene (Pth) films with aligned nanotubule arrays were adhered strongly on various smooth surfaces such as glass, mica, and GaAs after drying from their wet states under ambient condition. The normal and shear dry adhesion forces of the films on
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
Brieuc Guillerm et al.
Macromolecular rapid communications, 33(19), 1600-1612 (2012-07-05)
Polyoxazolines (POx) are increasingly being studied as polymeric building blocks due to the possibility of affording tunable properties. Additionally, as the biocompatibility and stealth behavior of POx are similar to that of poly(ethylene glycol) (PEG), it has become challenging to

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