Registration Dossier
Registration Dossier
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EC number: 201-161-1 | CAS number: 78-95-5
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- from 2020-05-28 to 2020-06-02
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
- Version / remarks:
- 2003
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Auto-ignition temperature:
- 615 °C
- Atm. press.:
- >= 1 000.9 - <= 1 014.7 hPa
- Conclusions:
- The auto-ignition temperature of the test item was determined as 615 °C.
- Executive summary:
A study was conducted according to Regulation (EC) No 440/2008, DIN 51794 and DIN EN 14522. The auto-ignition temperature is the lowest temperature of a hot surface, at which the ignition of a flammable test item as a gas/air- or vapour/air-mixture is observed. The main test is started at the lowest auto-ignition temperature found in the preliminary test and the temperature then decreased in intervals of 2 – 3 K. The number of drops is varied until a temperature is found where no ignition is observed independent of the number of drops added. Three test series were carried out. The lowest auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 615 °C. According to DIN EN 14522, the auto-ignition temperature reduced by 1.5 % and rounded to the nearest integer temperature was determined as 607 °C.
Reference
The lowest temperatures at which an ignition occurred in the main test are given in the Table.
Table: Lowest temperatures at which an ignition occurred
Main test series |
Lowest temperatures of an ignition / |
Highest temperatures without an ignition / |
Atmospheric Pressure / |
1 |
618 |
616 |
1011.6 – 1014.7 |
2 |
619 |
617 |
1005.8 |
3 |
616 |
614 |
1000.9 – 1002.8 |
Based on results of the main test series, the lowest auto-ignition temperature was determined to be 616 °C.
Regulation (EC) No 440/2008 and DIN 51794: The auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 615 °C.
For information:
DIN EN 14522: The auto-ignition temperature reduced by 1.5 % and rounded to the nearest integer temperature was determined as 607 °C.
Description of key information
The auto-ignition temperature of the test item was determined as 615 °C (reference 4.12-1).
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 615 °C
Additional information
A study was conducted according to Regulation (EC) No 440/2008, DIN 51794 and DIN EN 14522. The auto-ignition temperature is the lowest temperature of a hot surface, at which the ignition of a flammable test item as a gas/air- or vapour/air-mixture is observed. The main test is started at the lowest auto-ignition temperature found in the preliminary test and the temperature then decreased in intervals of 2 – 3 K. The number of drops is varied until a temperature is found where no ignition is observed independent of the number of drops added. Three test series were carried out. The lowest auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 615 °C. For information:DIN EN 14522: The auto-ignition temperature reduced by 1.5 % and rounded to the nearest integer temperature was determined as 607 °C.
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