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Physical & Chemical properties

Oxidising properties

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Description of key information

The potential of Fluorosulfonic Adduct to be an oxidizing substance has been evaluated basing on the assessment of the chemical structure and the available experimental data on analogue substance.

Fluorosulfonic Adduct has not to be regarded as an oxidizing liquid.

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

The oxidising properties of a substance can be assessed based on its chemical formula. Only one chemical group for the Fluorosulfonic Adduct needs to be considered regarding this physico-chemical hazard, the sufonic group -SO2F. Indeed, except in the sulfonic group, all the oxygen, fluorine and chlorine atoms in the Fluorosulfonic Adduct formula are bound to carbon. According to EU GHS (CLP) and UN GHS text, these atoms are not considered in this case for oxidising properties. 

  

Based on the similarity in the chemical structures between PFSVE and Fluorosulfonic Adduct, the experimental study performed on PFSVE is used to conclude on the oxidising properties of Fluorosulfonic Adduct, expecially in regard of the potential oxydising properties of the sulfonic group.

Indeed, PFSVE and Fluorosulfonic adduct have identical chemical structures with the exception of a C=C double bond present in PFSVE with is substituted by two single C-Cl bonds in Addotto Fluorosulfonic, the two substances are composed by linear alkyl chain made of fluorine and oxygen bound to carbon (except in the sulfonic group).

In a GLP study according to UN Test O.2, PFSVE was determined having no oxidizing properties therefore  Fluorosulfonic Adduct is not considered an oxidizing liquid.

Justification for classification or non-classification

Fluorosulfonic Adduct has not to be regarded as an oxidizing liquid.