236535

Fluorosulfonic acid

purified by triple-distillation

• Synonym(s): Fluosulfuric acid
• Linear Formula: FSO₃H
• CAS Number: 7789-21-1
• Molecular Weight: 100.07
• EC Number: 232-149-4
• MDL number: MFCD00066174
• UNSPSC Code: 12352300
• PubChem Substance ID: 24854177
• NACRES: NA.23

Properties

• vapor density: 3.5 (vs air)
• Quality Level: 100
• vapor pressure: 2.5 mmHg ( 25 °C)
• 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

Description

Application

• Polymerization of epoxidized triglycerides with fluorosulfonic acid: The article investigates the use of fluorosulfonic acid for the cationic polymerization of epoxidized triglycerides, exploring its potential in polymer chemistry (Biswas et al., 2016).

Packaging

Packaged in PFA/FEP bottles

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H314,H332
• pcodes: P261 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Skin Corr. 1A
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter