Registration Dossier

Diss Factsheets

Physical & Chemical properties

Auto flammability

Currently viewing:

Administrative data

Link to relevant study record(s)

relative self-ignition temperature (solids)
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:

Description of key information

According to Regulation (EC) No 1907/2006, Annex VII, Section 7.12, Column 2, the study does not need to be conducted for solids, if preliminary results exclude self heating of the substance up to 400 °C. For titanium dioxide were no self heating properties reported in handbook data (CRC, HSDB, Römpp, see section 4.2 melting point) up to the melting point which is >400 °C.

Self-ignition is not considered to be of relevance for this substance, since this would require heat to be developed either by reaction of this substance with oxygen or by exothermic decomposition and which is not lost rapidly enough to the surroundings. Since titanium dioxide represents the highest oxidised form of titanium it is intrinsically not combustible and can safely be assumed not to be ignitable under the conditions given in EU-Method A.16. In conclusion, the conduct of further experimental verification is not considered to be required.

Key value for chemical safety assessment

Additional information