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175129

Sigma-Aldrich

Antimony(V) fluoride

99%

Synonym(s):

Antimony pentafluoride

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About This Item

Linear Formula:
SbF5
CAS Number:
7783-70-2
Molecular Weight:
216.75
EC Number:
232-021-8
MDL number:
MFCD00011219
UNSPSC Code:
12352302
PubChem Substance ID:
24850488
NACRES:
NA.23

vapor density

2.2 (vs air)

vapor pressure

10 mmHg ( 25 °C)

Assay

99%

form

liquid

reaction suitability

reagent type: catalyst
core: antimony

bp

148-150 °C (lit.)

mp

7 °C (lit.)

solubility

liquid sulfur dioxide: slightly soluble(lit.)
potassium fluoride: slightly soluble(lit.)

density

2.993 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/5FH.Sb/h5*1H;/q;;;;;+5/p-5

InChI key

VBVBHWZYQGJZLR-UHFFFAOYSA-I

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Application

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

Signal Word

Danger

Hazard Statements

H302 + H332,H314,H411

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B

Supplementary Hazards

EUH014

Storage Class Code

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

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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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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