Registration Dossier

Physical & Chemical properties

Oxidising properties

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
oxidising solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidising properties and hence, the classification procedure does not need to be applied
the study does not need to be conducted because the organic substance contains oxygen or halogen atoms which are chemically bonded only to carbon or hydrogen and hence, the classification procedure does not need to be applied
other:

Description of key information

Section R7.1.13.3 contained within Chapter 7.A, Endpoint Specific Guidance, contains a list of chemical groups and elements that are known to confer oxidising properties.  It is considered possible to waive data for certain substances if they do not contain any of these chemical groups and elements.

•       The substance does not contain oxygen, fluorine or chlorine; or

•       The substance contains oxygen, fluorine or chlorine and these elements are chemically bonded only to carbon

•       Inorganic substances that do not contain oxygen or halogens do not need to be tested.

2,6-DTBP contains a hydroxyl group that is chemically bonded to carbon on a benzene ring.  The benzene ring is very stable by virtue of its aromaticity and di-tert-butyl groups are also stable and non-oxidizing.  The molecule does not contain any halogens.

Benzyl alcohols are considered to be very weak oxidizing agents.

In addition, the oxygen balance percentage can be calculated and provides an indication of oxidation potential.

The calculated result of -294.7 indicates negative oxygen balance and therefore this molecule shows no significant indication of oxidising potential.

Key value for chemical safety assessment

Oxidising properties:
no

Additional information

Justification for classification or non-classification

2,6-DTBP contains a hydroxyl group that is chemically bonded to carbon on a benzene ring. The benzene ring is very stable by virtue of its aromaticity and di-tert-butyl groups are also stable and non-oxidizing. The molecule does not contain any halogens. Benzyl alcohols are considered to be very weak oxidizing agents. In addition, the oxygen balance percentage can be calculated and provides an indication of oxidation potential. The calculated result of -294.7 indicates negative oxygen balance and therefore this molecule shows no significant indication of oxidising potential.

In accordance with Directive 67/548/EEC and EU CLP (Regulation (EC) No. 1272/2008), classification is not required for oxidation based on the available data.