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EC number: 945-733-5 | CAS number: -
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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:
- 28 September 2017 to 17 October 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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:
- > 400 °C
- Remarks on result:
- no self ignition observed under the test conditions
- Conclusions:
- Under the conditions of the test, no self-ignition temperature of the test material was observed up to 400°C (corrected value).
- Executive summary:
The relative self-ignition temperature of the test material was assessed according to EU Method A.16.
A volume of about 8 cm³ of the solid test material is placed in an oven at room temperature. The temperature / time curve relating to the conditions in the centre of the sample is recorded while the temperature of the oven increases to 420°C (at least) at a rate of about 0.5°C/min. The temperature of the oven at which the sample temperature reaches 400°C by self-heating is called the self-ignition temperature for the purpose of this test. Two assays are performed.
The observed temperatures (OT) are corrected using the calibration curves (obtained from the apparatus calibration with 6 temperatures from about 25°C to 420°C or 600°C by an external company) to calculate the corrected temperatures (CT).
In both assays the test material was a white powder and remained white at the end of the test.
No self-ignition temperature of the test material was observed up to 400°C (corrected value).
Reference
Assay No. 1
Duration of the test: 793.5 min
Rate: 0.50°C/min
Observations: At the start of the test, the test material was a white powder and remained white at the end of the test.
No self-ignition temperature of the test material was observed up to 400°C (corrected value).
Assay No. 2
Duration of the test: 788.0 min
Rate: 0.51°C/min
Observations: At the start of the test, the test material was a white powder and remained white at the end of the test.
No self-ignition temperature of the test material was observed up to 400°C (corrected value).
Description of key information
Under the conditions of the test, no self-ignition temperature of the test material was observed up to 400°C (corrected value).
Key value for chemical safety assessment
Additional information
The relative self-ignition temperature of the test material was assessed according to EU Method A.16.
A volume of about 8 cm³ of the solid test material is placed in an oven at room temperature. The temperature / time curve relating to the conditions in the center of the sample is recorded while the temperature of the oven increases to 420°C (at least) at a rate of about 0.5°C/min. The temperature of the oven at which the sample temperature reaches 400°C by self heating is called the self-ignition temperature for the purpose of this test. Two assays were performed.
The observed temperatures (OT) are corrected using the calibration curves (obtained from the apparatus calibration with 6 temperatures from about 25°C to 420°C or 600°C by an external company) to calculate the corrected temperatures (CT).
In both assays the test material was a white powder and remained white at the end of the test.
No self-ignition temperature of the test material was observed up to 400°C (corrected value).
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