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4628-44-8

4628-44-8

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  • 11-Fluorosulfonylperfluoro(2,5,8-trimethyl-3,6,9-trioxaundecanoyl)fluoride

    Cas No: 4628-44-8

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  • Propanoyl fluoride, 2,3,3,3-tetrafluoro-2-[1,1,2,3,3,3-hexafluoro-2-[1,1,2,3,3,3-hexafluoro-2- [1,1,2,2-tetrafluoro-2-(fluorosulfonyl)ethoxy]propoxy]propoxy]-

    Cas No: 4628-44-8

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4628-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4628-44-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,2 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4628-44:
(6*4)+(5*6)+(4*2)+(3*8)+(2*4)+(1*4)=98
98 % 10 = 8
So 4628-44-8 is a valid CAS Registry Number.

4628-44-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 11-fluorosulfonyl-2,5,8-tris(trifluoromethyl)undecafluoro-3,6,9-trioxaundecanoyl fluoride

1.2 Other means of identification

Product number -
Other names 11-FLUOROSULFONYLPERFLUORO(2,5,8-TRIMETHYL-3,6,9-TRIOXAUNDECANOYL)FLUORIDE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4628-44-8 SDS

4628-44-8Downstream Products

4628-44-8Relevant articles and documents

Synthesis of 3,6-dioxa-δ7-4-trifluoromethyl sulfonimide: Bis[(perfluoroalkyl)sulfonyl] superacid monomer and polymer

Thomas, Brian H.,Shafer, Gregory,Ma, Jing Ji,Tu, Ming-Hu,DesMarteau, Darryl D.

, p. 1231 - 1240 (2007/10/03)

A new type of ion exchange polymer, bis[(perfluoroalkyl)sulfonyl]imide ionomers (PFSI), were developed by the copolymerization of sodium 3,6-dioxa-Δ7-4-trifluoromethyl perfluorooctyl trifluoromethyl sulfonimide with tetrafluoroethylene (TFE) using an aqueous redox initiation system in an emulsion type polymerization. These polymers have been prepared in various equivalent weights and processed into functional membranes. The new ionomers exhibit excellent chemical and thermal stability. The materials have high potential for electrochemical applications especially as solid polymer electrolytes (SPE) in proton exchange membrane (PEM) fuel cells.

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