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EC number: - | CAS number: -
Auto flammability
Administrative data
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- February 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- yes
- Remarks:
- sOnly uncritical deviations: apparatus refers to DIN 14522, use smaller temperature steps, count of seconds instead than drops
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Low molecular weight organic substances from fast pyrolysis bio-oil
- IUPAC Name:
- Low molecular weight organic substances from fast pyrolysis bio-oil
- Reference substance name:
- Monomers from fast pyrolysis bio-oil
- IUPAC Name:
- Monomers from fast pyrolysis bio-oil
- Reference substance name:
- Dimers from fast pyrolysis bio-oil
- IUPAC Name:
- Dimers from fast pyrolysis bio-oil
- Reference substance name:
- Trimers from fast pyrolysis bio-oil
- IUPAC Name:
- Trimers from fast pyrolysis bio-oil
- Reference substance name:
- Higher oligomers from fast pyrolysis bio-oil
- IUPAC Name:
- Higher oligomers from fast pyrolysis bio-oil
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- water
- Test material form:
- liquid: viscous
- Remarks:
- Brown /black highly vicous liquid
Constituent 1
Constituent 2
Constituent 3
Constituent 4
Constituent 5
Constituent 6
Results and discussion
Auto-ignition temperature (liquids / gases)
- Key result
- Auto-ignition temperature:
- 440 <= °C
- Atm. press.:
- 980.7 mBar
Any other information on results incl. tables
First test series:
| selected temp (°C) | seconds used | ignition? | observations |
486.1 |
5 | yes | flame and plopp |
| 476.1 | 5 | yes | flame and plopp |
| 471.6 | 5 | yes | flame and plopp |
| 466.1 | 5 | yes | flame and plopp |
| 461.1 | 5 | yes | flame and plopp |
| 456.1 | 5 | yes | flame and plopp |
| 451.1 | 5 | yes | flame and plopp |
| 446.1 | 5 | yes | flame and plopp |
| 441.1 | 5 | no | smoke |
| 441.1 | 3 | yes | Plopp |
| 439.1 | 5 | no | smoke |
| 439.1 | 7 | no | smoke |
| 439.1 | 9 | no | smoke |
| 439.1 | 3 | no | smoke |
The lowest value is 441.87°C.
Second test series:
| selected temp (°C) | seconds used | ignition? | observations |
461.9 |
5 | yes | flame and plopp |
| 456.9 | 5 | yes | flame and plopp |
| 451.9 | 5 | no | smoke |
| 451.9 | 7 | yes | flame and plopp |
| 449.9 | 5 | yes | flame and plopp |
| 447.9 | 5 | no | smoke |
| 447.9 | 7 | no | smoke |
| 447.9 | 9 | no | smoke |
| 447.9 | 3 | no | smoke |
The lowest value of the second series is 449.94°C
Third test series:
| selected temp (°C) | seconds used | ignition? | observations |
469.9 |
5 | yes | flame and plopp |
| 464.9 | 5 | yes | flame and plopp |
| 459.9 | 5 | yes | flame and plopp |
| 454.9 | 5 | no | smoke |
| 454.9 | 7 | yes | flame and plopp |
| 452.9 | 7 | yes | flame and plopp |
| 450.9 | 7 | yes | flame and plopp |
| 448.9 | 7 | yes | flame and plopp |
| 446.9 | 7 | no | smoke |
| 446.9 | 5 | no | smoke |
| 446.9 | 9 | no | smoke |
| 446.9 | 3 | no | smoke |
The lowest value in the third test series is 448.9°C
The lowest main test values are summarized below:
| experiment | value (rounded to integer) | ignition delay | seconds used |
| 1 | 442 °C | 40s | 3 |
| 2 | 450 °C | 43s | 5 |
| 3 | 449 °C | 14s | 7 |
Applicant's summary and conclusion
- Conclusions:
- The auto-ignition temperature of the test item was determined to be 440°C.
- Executive summary:
The auto ignition temperature was determined in three independent determinations, according to the EU A.15 test method. The three lowest values of the main test (442, 450 and 449 °C respectively) all fall within a range of 10°C confirming the validity of the study.
The auto-ignition temperature of this item is stated as 440°C.
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