Registration Dossier
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EC number: 619-269-6 | CAS number: 97398-80-6
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:
- 2015-16-24 to 2015-07-06
- 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))
- Deviations:
- no
- GLP compliance:
- no
- Key result
- Auto-ignition temperature:
- 210 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- The auto-ignition temperature of the test item was determined to be 210 °C (reference 4.12-1).
- Executive summary:
A study according to Regulation (EC) No. 440/2008 Method A.16 was conducted to determine the relative auto-ignition temperature of the test item. In a preliminary test the temperature of the apparatus is increased from approx. 200 °C step by step with approximately 50 °C until an ignition is observed. Approximately the lowest temperature at which an ignition in the preliminary test was observed is used as starting point for the main test. In the main test, the ignition at this temperature is repeated, the temperature is decreased by 5 °C and the test is repeated. This procedure is repeated until no ignition is observed. The lowest measured temperature was rounded to the next lower number divisible by 5, according to the guidelines. The auto-ignition temperature of the test item is 210 °C.
Reference
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 below table. The amount of test item tested at each measurement is indicated as numbers of portions (i.e. drops). The barometric pressure was 1015.4 hPa.
T / °C |
portions |
+ /- |
Time lag / s |
202 |
5 |
- |
- |
252 |
5 |
+ |
12 |
222 |
5 |
- |
- |
242 |
5 |
+ |
12 |
232 |
5 |
+ |
15 |
227 |
5 |
+ |
27 |
The lowest auto-ignition temperature of the test item was determined to be 227 °C in the preliminary test.
Main test series |
Auto-ignition temperature / °C |
Time lag / s |
1st main test (5 °C steps) |
217 |
185 |
1st main test (2 °C steps) |
214 |
160 |
2nd main test |
215 |
120 |
3rd main test |
214 |
125 |
The lowest auto-ignition temperature of the test item was determined to be 214 °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 210 °C.
Description of key information
The auto-ignition temperature of the test item was determined to be 210 °C (reference 4.12-1).
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 210 °C
Additional information
A study according to Regulation (EC) No. 440/2008 Method A.16 was conducted to determine the relative auto-ignition temperature of the test item. In a preliminary test the temperature of the apparatus is increased from approx. 200 °C step by step with approximately 50 °C until an ignition is observed. Approximately the lowest temperature at which an ignition in the preliminary test was observed is used as starting point for the main test. In the main test, the ignition at this temperature is repeated, the temperature is decreased by 5 °C and the test is repeated. This procedure is repeated until no ignition is observed. The lowest measured temperature was rounded to the next lower number divisible by 5, according to the guidelines. The auto-ignition temperature of the test item is 210 °C.
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