Barium zirconium trioxide

Flammability

Link to relevant study record(s)

Reference

Endpoint:

flammable solids

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.10 (Flammability (Solids))

Version / remarks:

Flammability (Solids) Method A10”, Official Journal of the European Communities, No.L251/63, 19/09/84
Chemex Standard Operating Procedures: E402 Flammability (Solids) (A10)

Deviations:

no

GLP compliance:

no

Specific details on test material used for the study:

Batch number: 17/1791
Purity / Composition: 99% Barium Zirconate CAS 12009-21-1
Chemex reference: ECO 181004
Appearance (observed): Creamy/white powder

Key result

Test procedure:

burning time over 250 mm for metal powders or metal alloys

Remarks on result:

substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period

A preliminary test was carried out first to determine how the sample would react when exposed to a flame. The sample was placed into a metal mould which had a length of 250mm, an inner height of 10mm and an inner width of 20mm.

A flame was directed at the beginning of the sample train constantly for two minutes using a blowlamp at approx. 1000°C. In this time it was observed that the sample did not ignite or propagate combustion. No flames, charring or smouldering occurred, instead the sample just

glowed orange and stopped when the blowlamp was taken away. Additionally, the appearance of the sample did not change after it was exposed to the flame of the blowlamp, it was still white/creamy. The material did not meet the requirements of the test, therefore this material cannot be considered to be flammable as the material did not ignite or propagate within 2 minutes during the preliminary test. No further testing was required and the testing ended at the preliminary stage.

Interpretation of results:

GHS criteria not met

Conclusions:

The investigation into the flammability of Barium Zirconate ended at the preliminary test. The conclusion is that Barium Zirconate is not considered to be flammable

Description of key information

The investigation into the flammability of Barium Zirconate ended at the preliminary test. The conclusion is that Barium Zirconate is not considered to be flammable

Key value for chemical safety assessment

Flammability:

not classified