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EC number: 440-050-4 | CAS number: 243857-97-8
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:
- From June 30, 1999 to October 05, 1999
- 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
- Relative self-ignition temperature:
- 267 °C
- Conclusions:
- Under the test conditions, the relative self ignition temperature of the test substance was determined to be 267 °C.
- Executive summary:
A study was performed to determine self ignition temperature of test substance according to EU Method A.16.in compliance with GLP.
8 cm3(4.1 g) of the substance under test is placed in an oven at 27 °C; the temperature/time curve relating to conditions in the centre of the sample is recorded while the temperature of the oven is increased to 400 °C at a rate of 0.5°C /min.
An exotherm reaction of the test substance occurs at a temperature of about 152 °C and leads to 407 °C. After this, the temperature of the test substance overshot the oven temperature exceeded 400 °C at a temperature of 267 °C.
Under the test conditions, the relative self ignition temperature of the test substance was determined to be 267 °C.
Reference
An exothermic reaction of the test substance occurs at a temperature of about 152 °C and leads to 407 °C. After this, the temperature of the test substance overshot the oven temperature exceeded 400 °C at a temperature of 267 °C. So the relative self ignition temperature is 267 °C.
Description of key information
The relative self ignition temperature of the test substance was determined to be 267 °C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 267 °C
Additional information
A study was performed to determine self ignition temperature of the test substance according to EU Method A.16.
8 cm3(4.1 g) of the substance under test is placed in an oven at 27 °C; the temperature/time curve relating to conditions in the centre of the sample is recorded while the temperature of the oven is increased to 400 °C at a rate of 0.5°C /min.
An exotherm reaction of the test substance occurs at a temperature of about 152 °C and leads to 407 °C. After this, the temperature of the test substance overshot the oven temperature exceeded 400 °C at a temperature of 267 °C.
The relative self ignition temperature of the test substance was determined to be 267 °C (Smeykal H, 1999).
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