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200956

Sigma-Aldrich

Hexafluorophosphoric acid solution

~55 wt. % in H2O

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Synonym(s):
Hydrogen hexafluorophosphate
Linear Formula:
HPF6
CAS Number:
Molecular Weight:
145.97
MDL number:
PubChem Substance ID:
NACRES:
NA.22

form

liquid

Quality Level

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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1 of 4

This Item
214906207934372757
vibrant-m

200956

Hexafluorophosphoric acid solution

vibrant-m

214906

Hypophosphorous acid solution

vibrant-m

207934

Tetrafluoroboric acid solution

vibrant-m

372757

Fluorosilicic acid solution

concentration

~55 wt. % in H2O

concentration

48-52% in NaOH (titration), 50 wt. % in H2O

concentration

46.0-52.0% in NaOH (titration), 48 wt. % in H2O

concentration

20-25 wt. % in H2O

density

1.651 g/mL at 25 °C

density

1.206 g/mL at 25 °C

density

1.4 g/mL at 25 °C

density

1.22 g/mL at 25 °C

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

form

liquid

form

liquid

form

liquid

form

liquid

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

CorrosionSkull and crossbones

signalword

Danger

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

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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