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175102

Sigma-Aldrich

Fluoroantimonic acid

purified by triple-distillation

Synonym(s):

Fluoroantimonic acid, Hexafluoroantimonic acid, Hexafluorostibonic acid, Monohydrogen hexafluoroantimonate

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10 MG
$251.68

$251.68

Estimated to ship onMay 14, 2025

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10 MG
$251.68

About This Item

Linear Formula:
HF · SbF5
CAS Number:
16950-06-4
Molecular Weight:
236.76
EC Number:
241-023-8
MDL number:
MFCD00011327
UNSPSC Code:
12352302
PubChem Substance ID:
24850363
NACRES:
NA.23
form:
liquid

$251.68

Estimated to ship onMay 14, 2025

Request a Bulk Order

vapor pressure

14 mmHg ( 18 °C)

Quality Level

100

form

liquid

purified by

triple-distillation

density

2.885 g/mL at 25 °C (lit.)

SMILES string

F.F[Sb](F)(F)(F)F

InChI

1S/6FH.Sb/h6*1H;/q;;;;;;+5/p-5

InChI key

MBAKFIZHTUAVJN-UHFFFAOYSA-I

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This Item
33926101302245917
Fluoroantimonic acid purified by triple-distillation

175102

Fluoroantimonic acid

Hydrofluoric acid 48 wt. % in H2O, ≥99.99% trace metals basis

339261

Hydrofluoric acid

Fluosilicic acid purum, 33.5-35%

01302

Fluosilicic acid

Pentafluoropropionic acid 97%

245917

Pentafluoropropionic acid

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

density

2.885 g/mL at 25 °C (lit.)

density

1.15 g/mL at 25 °C (lit.)

density

1.22 g/mL at 20 °C (lit.), 1.31 g/mL at 25 °C

density

1.561 g/mL at 25 °C (lit.)

vapor pressure

14 mmHg ( 18 °C)

vapor pressure

25 mmHg ( 20 °C)

vapor pressure

-

vapor pressure

~40 mmHg ( 20 °C)

purified by

triple-distillation

purified by

-

purified by

-

purified by

-

General description

HF/SbF5 may be synthesized by mixing hydrogen fluoride and antimony fluoride.1 Fluoroantimonic acid (HF/SbF5), is a combination of SbF5 and HF. It is the known strongest liquid superacid.[1]

Application

HF/SbF5 is an excellent medium for the preparation of alkylidene oxonium salts.[2]

Packaging

Packaged in PFA/FEP bottles

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1A

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCQ2031
    MKCN7084
    MKCN5395
    MKCL5020
    MKCK3305

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    Structure and vibrational spectra of H+ (HF) n (n= 2?9) clusters: An ab initio study.
    Sophy KB and Kuo JL
    J. Chem. Phys. , 131(22), 224307-224307 (2009)
    Rolf Minkwitz et al.
    Inorganic chemistry, 38(5), 844-847 (2001-10-24)
    We have studied the preparation and isolation of the halogenated alkylidene oxonium salts CH(3)OCHX(+)MF(6)(-) (X = Cl, F; M = As, Sb). Addition of dichloromethylmethylether at -78 degrees C to the superacidic media HF/MF(5) resulted in the formation of the

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