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Bis(pentafluoroethyl) persulfide, also known as 1,1'-persulfanediyldipentane or C4F10S2, is a colorless, volatile liquid with a pungent odor. It is an organosulfur compound characterized by the presence of two pentafluoroethyl groups (CF3CF2CF2-) connected through a disulfide bridge (S-S). This chemical is primarily used as a reagent in the synthesis of various fluorinated compounds and as a precursor in the production of fluoropolymers. Due to its high reactivity and potential toxicity, it requires careful handling and storage. Bis(pentafluoroethyl) persulfide is also known for its ability to generate highly reactive sulfur-centered radicals, which can be utilized in various chemical reactions and applications.

679-77-6

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679-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 679-77-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 679-77:
(5*6)+(4*7)+(3*9)+(2*7)+(1*7)=106
106 % 10 = 6
So 679-77-6 is a valid CAS Registry Number.

679-77-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1,1,2,2-pentafluoro-2-(1,1,2,2,2-pentafluoroethyldisulfanyl)ethane

1.2 Other means of identification

Product number -
Other names Disulfide, bis(pentafluoroethyl)

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

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

More Details:679-77-6 SDS

679-77-6Downstream Products

679-77-6Relevant academic research and scientific papers

Reactions of the difluoramine-potassium fluoride adduct, HNF2·KF, with sulfinyl and perfluoroalkylsulfinyl fluorides. Preparation of perfluoroalkyl perfluoroalkylthiosulfonates

De Marco, Ronald A.,Shreeve, Jean'ne M.

, p. 1896 - 1899 (2007/10/12)

The reaction of HNF2·KF with sulfinyl fluoride gave FS(O)NF2 which was isolated and had sufficient stability to be characterized by spectroscopic methods. Attempts to prepare CF3S(O)NF2 and C2F5S(O)NF2 resulted in the formation of N2F4 and the perfluoroalkyl perfluoroalkylthiosulfonate esters CF3SO2SCF3 and C2F5SO2C2F5. Efforts to synthesize additional thiosulfonate esters led to the characterization of C2F5S(O)Cl, 19F nmr spectral identification of C2F5SO2SCF3 and CF3SO2SC2F5, and spectroscopic characterization of the previously reported C2F5SO2F.

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