Registration Dossier
Registration Dossier
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EC number: 233-937-0 | CAS number: 10450-60-9
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1 August 2012 to 23 August 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- other: read across target
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.16 (Relative Self-Ignition Temperature for Solids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Relative self-ignition temperature:
- 262 °C
- Remarks on result:
- other: No data on pressure reported. Determination assumed to be performed at normal atmospheric pressure.
- Conclusions:
- The test material was determined to have a relative self-ignition temperature of 262 °C.
- Executive summary:
The relative self-ignition temperature of the test material was investigated in a GLP study which was conducted in accordance with the standardised guideline EU Method A.16. During the study a wire mesh cube was completely filled with the test material and placed in the centre of an oven at room temperature. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was increased from ambient to 400 °C at a rate of 0.5 °C/min. The test material was a white solid. Whilst heating the test material, self-heating of the sample was observed. On completion of the test, the test material was a fused white solid. The test material was determined to have a relative self-ignition temperature of 262 °C.
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Justification for type of information:
- Read-across to structurally similar substance sodium periodate (CAS 7790-28-5). Sodium periodate is the sodium salt of periodic acid.
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Relative self-ignition temperature:
- 262 °C
- Remarks on result:
- other: No data on pressure reported. Determination assumed to be performed at normal atmospheric pressure.
Referenceopen allclose all
The test material was a white solid. Whilst heating the test material, self-heating of the sample was observed. On completion of the test, the test material was a fused white solid.
The test material was a white solid. Whilst heating the test material, self-heating of the sample was observed. On completion of the test, the test material was a fused white solid.
Description of key information
Self-heating of the substance was observed during the test, the relative self-ignition temperature was determined to be 262 °C
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 262 °C
Additional information
The relative self-ignition temperature of the read across substance, sodium periodate, was investigated in a GLP study which was conducted in accordance with the standardised guideline EU Method A.16. The study was assigned a reliability score of 1 in accordance with the principles for assessing data quality as outlined by Klimisch et al (1997), however, since the data is available on a read across substance an overall reliability score of 2 is considered appropriate. Sodium periodate is considered to be a suitable substance for read across since it is the sodium salt of periodic acid.
During the study a wire mesh cube was completely filled with the test material and placed in the centre of an oven at room temperature. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was increased from ambient to 400 °C at a rate of 0.5 °C/min. The test material was a white solid. Whilst heating the test material, self-heating of the sample was observed. On completion of the test, the test material was a fused white solid. The test material was determined to have a relative self-ignition temperature of 262 °C.
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