Full name: Nonafluorobutanesulfonyl fluoride
Molecular formula:  n－C₄F₉SO₂F
Molecular weight:  302.1
Appearance: Colorless or yellowish liquid
Specific gravity(d204): 1.700-1.780
Refractive index ( ηD25): 1.2810
Boiling point: 65-66℃  
pH: 4-7
Content: 95％, 98％, 99％
Use: The product structure is similar to 8 carbon perfluoroalkyl sulfonyl fluoride, is the basic raw material for the preparation of fluorine-containing surfactants.
Packaging and storage: plastic drum packaging; Store and transport in accordance with the regulations of general chemicals.