Perfluorobutanesulfonyl Fluoride Manufacturer/CAS NO.375-72-4(YF-401) CAS NO.375-72-4

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Name of Commodity:   YF－401

Structural Formula:  n－C₄F₉SO₂F

Molecular weight:    302.1

Appearance:          colorless or light-yellow  liquid

Specific weight(d²⁰₄):   1.700～1.780

Refractive Index（η_D²⁵）:1.2810

Boiling Point:          65～66℃

pH value：              3.8～4.8

Content:                ≥95％

Uses:  Thestructural function of this product is similar to perfluorooctanesulfonyl fluoride and can be used to synthetise various of special perfluoro surfactant.Its kali salt C₄F₉SO₃K is a good kind of anion surfactant and the best fire retardant for polycarbonate.

Package &Storage & Transportation: 5 Kg×4 for plastic barrel and with external soild paper box. Storage is in light of the regulations of general chemicals.