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01544

Sigma-Aldrich

Tetrafluoroboric acid

49.5-50.5%

Sinónimos:

Fluoroboric acid

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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:
329747325
NACRES:
NA.21

form

liquid

concentration

49.5-50.5%

impurities

≤0.005% heavy metals (as Pb)
≤0.02% hexafluorosilic acid (H2SiF6)
1-2% free boric acid

pH

1 (20 °C, 8.7 g/L)

density

1.38 g/mL at 20 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg

cation traces

Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
Ni: ≤5 mg/kg
Zn: ≤5 mg/kg

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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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Wen-Guang Wang et al.
Dalton transactions (Cambridge, England : 2003), (15)(15), 2712-2720 (2009-04-01)
A set of fluorophenyl-substituted adt-bridged Fe2S2 active site models of Fe-only hydrogenase, [(micro-SCH2)2NR]Fe2(CO)6 (, R=C6F4CF3-p; , R=C6H4CF3-p) and [(micro-SCH2)2NR]Fe2(CO)5(PPh3) (, R=C6F4CF3-p; , R=C6H4CF3-p), have been synthesized and well characterized. Spectroscopic and electrochemical studies demonstrate that the aryl-substituted complexes are stable
Seck J Kim et al.
Journal of agricultural and food chemistry, 51(11), 3208-3214 (2003-05-15)
Mixtures of t,t conjugated linoleic acid methylester (t,t CLA-Me) isomers were prepared from synthetic CLA, consisting of 47.8% t10,c12 CLA; 45.5% c9,t11 CLA; 2.0% t,t CLA; and 4.7% others, by methylation with BF(3)/methanol (designated TT-TC/CT) in conjunction with purification at
Katrien Brak et al.
The Journal of organic chemistry, 75(9), 3147-3150 (2010-04-15)
The Rh(I)-catalyzed addition of alkenyl and aryl MIDA boronates to N-tert-butanesulfinyl aromatic and aliphatic imines proceeds in good yields (up to 99%) and with very high selectivity (98:2 to >99:1). In comparison to trifluoroborates, higher yields and selectivities are observed
Ming-Hsi Chiang et al.
Inorganic chemistry, 48(16), 7604-7612 (2009-07-16)
Iron azadithiolate phosphine-substituted complex and its protonated species featuring the NH proton and/or bridging Fe hydride, [Fe(2)(mu-S(CH(2))(2)N(n)Pr(H)(m)(CH(2))(2)S)(mu-H)(n)(CO)(4)(PMe(3))(2)](2)((2m+2n)+) (1, m = n = 0; [1-2H(N)](2+), m = 1, n = 0; [1-2H(N)2H(Fe)](4+), m = n = 1), are prepared to mimic
Richard Ting et al.
Journal of the American Chemical Society, 130(36), 12045-12055 (2008-08-15)
The use of a boronic ester as a captor of aqueous [(18)F]-fluoride has been previously suggested as a means of labeling biomolecules in one step for positron emission tomography (PET) imaging. For this approach to be seriously considered, the [(18)F]-labeled
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