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200956

Sigma-Aldrich

Hexafluorophosphoric acid solution

~55 wt. % in H2O

Synonym(s):

Hydrogen hexafluorophosphate

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About This Item

Linear Formula:
HPF6
CAS Number:
16940-81-1
Molecular Weight:
145.97
MDL number:
MFCD00011350
UNSPSC Code:
12352301
PubChem Substance ID:
24851984
NACRES:
NA.22

form

liquid

concentration

~55 wt. % in H2O

density

1.651 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

F.FP(F)(F)(F)F

InChI

1S/F5P.FH/c1-6(2,3,4)5;/h;1H

InChI key

OQWOLAMXNGPSQY-UHFFFAOYSA-N

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General description

Hexafluorophosphoric acid (HPF6) is a strong acid that is commonly used as a catalyst in organic synthesis. It is also used in the polymerization and preparation of its salts.

Application

Hexafluorophosphoric acid solution is used as a catalyst for the conversion of polyethyleneimine (PEI) microgel into the corresponding polymeric ionic liquids (PIL) forms via protonation and anion exchange reaction. Polymeric ionic liquids are used as metal-free catalysts for hydrogen production via sodium borohydride methanolysis.

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H290,H301,H310,H314,H332

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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The Use of Hexafluorophosphoric Acid in the Schiemann Reaction
Rutherford KG, et al.
The Journal of Organic Chemistry, 26(12), 5149-5152 (1961)
Product Class 12: Telluropyrylium and Benzotelluropyrylium Salts
Murphy PJ et al.
Science of Synthesis: Houben-Weyl Methods of Molecular Transformations null

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