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Fluorosulfuric acid, 2-bromo-1,1,2,2-tetrafluoroethyl ester, also known as bromotetrafluoroethyl fluorosulfonate, is a chemical compound with the molecular formula C2BrF5O2S. It is a derivative of fluorosulfuric acid, featuring a 2-bromo-1,1,2,2-tetrafluoroethyl group as an ester. Fluorosulfuric acid, 2-bromo-1,1,2,2-tetrafluoroethyl ester is a colorless liquid with a pungent odor and is highly reactive due to the presence of the fluorosulfuric acid group. It is used in the synthesis of various fluorinated compounds and as a reagent in organic chemistry. Due to its corrosive and hazardous nature, it requires careful handling and storage.

757-02-8

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757-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 757-02-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 757-02:
(5*7)+(4*5)+(3*7)+(2*0)+(1*2)=78
78 % 10 = 8
So 757-02-8 is a valid CAS Registry Number.

757-02-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-bromo-1,1,2,2-tetrafluoro-2-fluorosulfonyloxyethane

1.2 Other means of identification

Product number -
Other names 2-Bromotetrafluoroethyl fluorosulfate

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:757-02-8 SDS

757-02-8Downstream Products

757-02-8Relevant academic research and scientific papers

Perfluoroalkyl hypobromites: Synthesis and reactivity with some fluoroalkenes

Anderson, John D.O.,DesMarteau, Darryl D.

, p. 147 - 152 (2007/10/03)

The first perfluoroalkyl hypobromites have been prepared by the reaction of bromine(I) fluorosulfate with perfluorinated tertiary alkoxides of general formula RfC(CF3)2ONa where Rf=CF3 or CF3CF2. These hypobromites are of lower thermal stability but they behave similarly to analogous hypochlorites and decompose rapidly above -20 °C to give CF3C(O) CF3 and either CF3Br or CF3CF2Br. New polyfluoroethers generated from the reaction of perfluoroalkyl hypobromites with fluoroalkenes have been characterized by 19F and 1H NMR spectroscopy, IR spectroscopy and MS.

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