Registration Dossier
Registration Dossier
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EC number: 206-031-8 | CAS number: 292-64-8
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:
- 2021-04-19 - 2021-05-04
- 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:
- European Commission Regulation (EC) No. 440/2008
- Deviations:
- no
- GLP compliance:
- no
- Key result
- Auto-ignition temperature:
- 240 °C
- Atm. press.:
- 1 014.7 hPa
- Conclusions:
- The auto-ignition temperature of the test item was determined to be 240 °C.
- Executive summary:
The auto-ignition temperature was measured according to the testing guideline for auto-igition test conditions in the sense of the European Commission Regulation (EC) No.440/2008, Method A.15. The lowest auto-ignition temperature of the test item was determined to be 244 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 240 °C.
Reference
Preliminary test
The following table shows the results of the preliminary test. Temperatures where auto-ignition was detected are marked with +; temperatures where no auto-ignition was detected are marked with – in the table below. The amount of test item tested at each measurement is indicated as numbers of portions (i.e. drops). The results are summarized in Table 1.
Table 1: Auto-ignition temperature (preliminary test) at 1014.7 hPa
T / °C | portions | + / - | Time lag / s |
203 | 5 | - | - |
253 | 5 | - | - |
303 | 5 | + | 5 |
273 | 5 | + | 22 |
263 | 5 | + | 38 |
258 | 5 | + | 70 |
The lowest auto-ignition temperature of the test item was determined to be 258 °C in the preliminary test.
Main test
The following tables show the results of the main tests. Temperatures where auto-ignition was detected are marked with +; temperatures where no auto-ignition was detected are marked with – in the tables below. The amount of test item tested at each measurement is indicated as numbers of portions (i.e. drops). The results of the main test are compiled in Table 2.
Table 2: Auto-ignition temperature (summary).
Main test series | Auto-ignition temperature / °C | Time lag /s |
1st main test (5 K) | 248 | 150 |
1st main test (2 K) | 244 | 200 |
2nd main test (2 K) | 244 | 255 |
3rd main test (2 K) | 244 | 255 |
The lowest auto-ignition temperature of the test item was determined to be 244 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 240 °C.
Description of key information
The auto-ignition temperature of the test item was determined to be 240 °C (reference 4.12-1).
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 240 °C
Additional information
The auto-ignition temperature was measured according to the testing guideline for auto-igition test conditions in the sense of the European Commission Regulation (EC) No.440/2008, Method A.15. The lowest auto-ignition temperature of the test item was determined to be 244 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 240 °C.
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