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207934

Sigma-Aldrich

Tetrafluoroboric acid solution

48 wt. % in H2O

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About This Item

Fórmula lineal:
HBF4
Número de CAS:
16872-11-0
Peso molecular:
87.81
MDL number:
MFCD00011345
UNSPSC Code:
12352106
PubChem Substance ID:
329752030
NACRES:
NA.21

vapor density

3 (vs air)

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.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Tetrafluoroboric acid, an efficient catalyst in carbohydrate protection and deprotection reactions.
Albert R, et al.
Carbohydrate Research, 137, 282-290 (1985)
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)
Metal-free hydration of aromatic haloalkynes to a-halomethyl ketones.
Ye M, et al.
Tetrahedron Letters, 57(45), 4983-4986 (2016)
M P Dariel et al.
Dental materials : official publication of the Academy of Dental Materials, 11(3), 208-217 (1995-05-01)
The purpose of this study was to develop a new technology for preparing mercury-free metallic dental restorative materials. The novel approach relies on the cold welding of surface treated silver particles. At ambient temperature, intermetallic compound formation takes place spontaneously
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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