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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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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

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

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.

Application

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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

175102-VAR:
175102-BULK:
175102-50G:4548173109183

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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