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EC number: 291-826-2 | CAS number: 90480-88-9
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:
- 14 Aug 2019 to 18 Sep 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Version / remarks:
- EC Guideline A.15. Auto-Ignition Temperature (Liquids and Gases). March 04, 2016.
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
- Version / remarks:
- Deutsches Institut für Normung (DIN) Guide 51794: Determining the Ignition Temperature of Petroleum Products. May 2003.
- Deviations:
- no
- GLP compliance:
- yes
- Specific details on test material used for the study:
- No further details specified in the study report.
- Key result
- Auto-ignition temperature:
- 415 °C
- Atm. press.:
- 1 015 hPa
- Conclusions:
- Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of ISO-MIX.
The test item is auto-ignitable with an auto-ignition temperature of 415°C.
The atmospheric pressure was 1015 hPa. - Executive summary:
The objective of the study was to determine the following physico-chemical properties for ISO-MIX:
Appearance
Melting and boiling temperature
Density
Vapour pressure
Flash-point
Auto-ignition temperature
The design of this study is based on the following guidelines:
Auto-ignition temperature
EC Guideline A.15. Auto-Ignition Temperature (Liquids and Gases). March 04, 2016.
Deutsches Institut für Normung (DIN) Guide 51794: Determining the Ignition Temperature of Petroleum Products. May 2003.
The auto-ignition temperature of the test item was determined using a commercially available auto-ignition temperature instrument (Model: FLC-2). The system is applicable to test items with an auto-ignition temperature in the range 75°C – 650°C.
In every ignition test, liquefied test item was introduced into a preheated test vessel using a volumetric pipette. It was observed visually whether a reaction (clearly perceptible flame and/or explosion) of the sample within five minutes after introduction took place at the prevailing temperature. After each ignition test, any vaporizable components left in the flask were blown out with air.
Results
Preliminary Test
The estimated auto-ignition temperature was 420°C.
Main Study
Ignition of the test item within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 20°C. According to the guidelines, no further testing was required.
The lowest temperature at which ignition of the test item occurred was 419°C. This temperature was rounded down to the nearest multiple of 5°C giving an auto-ignition temperature of the test item of 415°C.
Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of ISO-MIX.
The test item is auto-ignitable with an auto-ignition temperature of 415°C.
The atmospheric pressure was 1015 hPa.
Reference
Auto-ignition Temperature of the Test item
Test |
Volume [μL] |
Auto-ignition temperature [°C] |
Ignition delay [s] |
Colour of the flame |
Minimum auto-ignition temperature [°C] |
1 |
30 70 150 |
440 419 428 |
3 6 6 |
Orange/yellow Orange/yellow Orange/yellow |
419 |
2 |
25 90 175 |
444 425 432 |
4 6 6 |
Orange/yellow Orange/yellow Orange/yellow |
425 |
3 |
35 80 200 |
433 420 437 |
6 6 5 |
Orange/yellow Orange/yellow Orange/yellow |
420 |
Description of key information
The test item is auto-ignitable with an auto-ignition temperature of 415°C.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 415 °C
Additional information
Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of ISO-MIX.
The test item is auto-ignitable with an auto-ignition temperature of 415°C.
The atmospheric pressure was 1015 hPa.
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