Registration Dossier
Registration Dossier
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EC number: 802-788-9 | CAS number: 127090-71-5
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 2020-02-11 to 2020-03--2
- 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:
- 440/2008/EC, 30 May 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:
- 320 °C
- Atm. press.:
- >= 1 008.1 - <= 1 014 hPa
- Conclusions:
- The test item has an auto-ignition temperature of 320 °C.
- Executive summary:
A study was conducted according to Regulation (EC) No 92/69 method A.15 and DIN 51794 to determine the auto-ignition temperature of the test substance. The main test was started at the lowest auto-ignition temperature found in the preliminary test and the temperature was then decreased in intervals of 1 – 2 K. This was repeated until no ignition was observed. The auto-ignition temperature of the test item was found to be 320 °C. This value was the lowest auto-ignition temperature of three independent measurements rounded down to the nearest multiple of 5 °C.
Reference
An approximate value of the ignition temperature of the test item was first determined by a preliminary test.Table 1gives the result of the preliminary test. An ignition is denoted as “+” and no ignition is denoted as “-”. 5 drops were put into the Erlenmeyer flask at each temperature.
Table1: Results of the preliminary test
Preliminary Test |
|
Temperature / °C |
Ignition / +/- |
204 |
- |
254 |
- |
300 |
- |
352 |
+ |
344 |
+ |
335 |
+ |
325 |
+ |
315 |
- |
Atmospheric pressure: 1015.6 hPa |
|
In the preliminary test, the lowest temperature at which an ignition occurred was 325 °C.
The lowest temperatures at which an ignition occurred in the main test are given inTable2.
Table2: Lowest temperatures at which an ignition occurred
Main test series |
Lowest temperatures of an ignition [°C] |
Highest temperatures without an ignition [°C] |
Atmospheric Pressure [hPa] |
1 |
324 |
322 |
1014.0 |
2 |
328 |
327 |
1008.0 – 1010.5 |
3 |
325 |
324 |
1008.1 – 1008.2 |
Based on the results of the main test series, the lowest auto-ignition temperature was 324 °C.
Description of key information
The test item has an auto-ignition temperature of 320 °C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 320 °C
Additional information
A study was conducted according to Regulation (EC) No 92/69 method A.15 and DIN 51794 to determine the auto-ignition temperature of the test substance. The main test was started at the lowest auto-ignition temperature found in the preliminary test and the temperature was then decreased in intervals of 1 - 2 K. This was repeated until no ignition was observed. The auto-ignition temperature of the test item was found to be 320 °C. This value was the lowest auto-ignition temperature of three independent measurements rounded down to the nearest multiple of 5 °C.
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