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EC number: 945-898-3 | CAS number: 97675-63-3
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 25 to 27 January 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
- 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
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected on 13 and 14 October 2014 / signed on 08 April 2015
- Key result
- Auto-ignition temperature:
- 240 °C
- Atm. press.:
- >= 99 615 - <= 100 831 Pa
- Conclusions:
- Under the test conditions, auto-ignition temperature of the test item is stated as 240 °C (99615 -100831Pa).
This parameter/method is not relevant for classification, however the information is useful regarding potential additional fire hazard. No particular hazard is anticipated in normal conditions of storage. - Executive summary:
The study was conducted according to procedure and demands of EU-Method A.15 and DIN 51794.
The auto ignition temperature was determined in three independent determinations. The lowest value of the auto ignition temperature is 248 °C. This value was determined using 13 drops of test substance. The test substance showed auto ignition after 57 seconds. The auto ignition temperature is the lowest value from the lowest values of the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto ignition temperature is stated as 240 °C.
Reference
Resultats
Table 4.12/1: Auto ignition temperature – results
Experiment |
Value |
Ignition delay |
Drops used |
First test series |
243 °C |
57 s |
13 |
Second test series |
246 °C |
41 s |
13 |
Third test series |
246 °C |
45 s |
13 |
The lowest value of the auto ignition temperature is 243 °C. This value was determined using 13 drops test item. The test item showed auto ignition after 57 seconds.
The auto ignition temperature (result of determination) is the lowest value from the lowest values of the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto ignition temperature is stated as 240 °C.
Validity
In the DIN, the following limits have to be applied to the range of the three lowest values which are used for evaluation.If the following demands are not fulfilled the test should be repeated and the higher temperature(s) are preferably discarded for safety reasons.
Table 4.12/2: Acceptable ranges
Auto ignition temp. |
Range |
< 300 °C |
difference between three values of the main test max. 10 K |
> 300 °C |
difference between three values of the main test max. 20 K |
Considering that the three determinations were performed by one person and that the largest difference between measuredignitiontemperatures was 3 °C, the three lowest values of the main test lay within the range of 5°C as required for auto ignition temperatures below 300 °C. Therefore, the results are considered as valid.
Description of key information
No particular hazard is anticipated in normal conditions of storage.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 240 °C
Additional information
One non-GLP study was performed in order to determine the auto-ignition temperature of the test substance in compliance with the EU-Method A.15 and stardard DIN 51794 listed in EU A15.
The auto ignition temperature was determined in three independent determinations.
The lowest auto-ignition temperature of the test item was determined to be 240°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.
The test substance has been determined to have an auto-ignition temperature of 240°C.
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