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About This Item
Linear Formula:
HBF4
CAS Number:
Molecular Weight:
87.81
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
vapor density
3 (vs air)
Quality Level
vapor pressure
5 mmHg ( 20 °C)
form
liquid
concentration
46.0-52.0% in NaOH (titration)
48 wt. % in H2O
density
1.4 g/mL at 25 °C
SMILES string
F.FB(F)F
InChI
1S/BF3.FH/c2-1(3)4;/h;1H
InChI key
LEMQFBIYMVUIIG-UHFFFAOYSA-N
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General description
Tetrafluoroboric acid is used as a catalyst for the protection and deprotection reactions of various carbohydrates. It participates in the synthesis of 4-sulfonic acid phenyl diazonium tetrafluoroborate, which was required for the preparation of sulfonated graphene (SG).
Application
Tetrafluoroboric acid solution may be used as a catalyst for the hydration of aromatic haloalkynes to α-halomethyl ketones in the absence of metal catalysts. It may also be used the epoxidized soybean oil (ESBO) ring opening step of fatty acids preparation.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Polyols and polyurethanes prepared from epoxidized soybean oil ring-opened by polyhydroxy fatty acids with varying OH numbers.
Chen R, et al.
Journal of Applied Polymer Science, 132(1) (2015)
Tetrafluoroboric acid, an efficient catalyst in carbohydrate protection and deprotection reactions.
Albert R, et al.
Carbohydrate Research, 137, 282-290 (1985)
Metal-free hydration of aromatic haloalkynes to a-halomethyl ketones.
Ye M, et al.
Tetrahedron Letters, 57(45), 4983-4986 (2016)
Gary A Molander et al.
Organic letters, 12(21), 4876-4879 (2010-10-01)
Amidomethyltrifluoroborates were successfully synthesized in a one-pot fashion and used in cross-coupling reactions with a wide variety of aryl and heteroaryl chlorides.
Dong-Su Kim et al.
Organic letters, 12(5), 1092-1095 (2010-02-13)
A novel series of alkyne-containing potassium organotrifluoroborates were prepared in good yields from the corresponding haloaryltrifluoroborates and various alkynes via Sonogashira coupling reaction. Also, the Suzuki-Miyaura cross-coupling reaction of alkynylaryltrifluoroborates with aryl and alkenyl bromides was achieved in the presence
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