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Perfluorobutanesulfonyl Fluoride Fx-4 Cas No. 375-72-4

Posted at: Offers to Sell and Export | Posted on: Mon 16 Feb, 2009 3:27 am |
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Perfluorobutanesulfonyl fluoride ( FX-4)

Structure formula: CF3CF2 CF2CFSO2F

Molecular formula: n-


CAS No. 375-72-4

Appearance: clear colorless or slightly yellow liquid

Boiling point: 65-66˚C

Refractive index(n25D): 1.2810

Density (d420): 1.750-1.700

Assay: 95% ( Chromatographic analysis)

Ph: 3.8-4.8

Physical properties:

Insoluble in water, it can hydrolyze in alkali to produce nonafluorobutanesulfo salt, then acidize to obtain nonafluorobutanesulfonic acid.


its properties is similar to perfluorooctanesulfonyl fluoride, it can be used to synthesize multi-kind of fluoro surfactant, its Potassium salt C4F9SO2K is a very good anion surfactant, also a best fire retardant for polycarbonate.

Package: 50Liter or 200Liter / iron drum, inner lined with plastic

N.W.: 70KG ( 50ltr) / 250KG ( 200ltr)

Company Contact:

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Contact Name: Judy Ma
Company Name: Qinhuangdao Bright Chemical Co., Ltd.
Email: Email
Tel: 86-335-7636676
Fax: 86-335-7636679
Street Address: 9-1-203# Tianyang
Newcity Qinhuangdao, Hebei, China
Website: http://www.chembright.com.cn
Member name: chembright
Country: China-CN China
Member Since: 13 January 2009
Total Leads: 14 chembright Import Export Business Leads
Business focus: Organic Fluorochemical Series, Electroplating, Special Fine Chemicals, Inorganic Fluorochemical Series, Synthetic Filteration Fabric
Verify: Safe Import Export Tips

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