MilliporeSigma
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236535

Sigma-Aldrich

Fluorosulfonic acid

purified by triple-distillation

Synonym(s):
Fluosulfuric acid
Linear Formula:
FSO3H
CAS Number:
Molecular Weight:
100.07
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor density

3.5 (vs air)

Quality Level

vapor pressure

2.5 mmHg ( 25 °C)

form

liquid

purified by

triple-distillation

bp

165.5 °C (lit.)

mp

−87.3 °C (lit.)

density

1.726 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

OS(F)(=O)=O

InChI

1S/FHO3S/c1-5(2,3)4/h(H,2,3,4)

InChI key

UQSQSQZYBQSBJZ-UHFFFAOYSA-N

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Packaging

25 mL in poly bottle
100 mL in PFA/FEP bottle
Packaged in PFA/FEP bottles

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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