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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:
- Feb 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))
- Version / remarks:
- 31 May 2008 (referring to DIN 51794 “Bestimmung der Zündtemperatur“, dated May 2003)
- Deviations:
- yes
- Remarks:
- Only 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:
- 1,6-anhydro-β-D-glucose
- EC Number:
- 207-855-0
- EC Name:
- 1,6-anhydro-β-D-glucose
- Cas Number:
- 498-07-7
- Molecular formula:
- C6H10O5
- IUPAC Name:
- (1R,2S,3S,4R,5R)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol
- Reference substance name:
- Glycollaldehyde
- EC Number:
- 205-484-9
- EC Name:
- Glycollaldehyde
- Cas Number:
- 141-46-8
- Molecular formula:
- C2H4O2
- IUPAC Name:
- 2-hydroxyacetaldehyde
- Reference substance name:
- Organic acids
- IUPAC Name:
- Organic acids
- Reference substance name:
- Ketones
- IUPAC Name:
- Ketones
- Reference substance name:
- Phenols
- IUPAC Name:
- Phenols
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- water
- Reference substance name:
- Oligomers of sugars and anhydrosugars
- IUPAC Name:
- Oligomers of sugars and anhydrosugars
- Test material form:
- liquid: viscous
Constituent 1
Constituent 2
Constituent 3
Constituent 4
Constituent 5
Constituent 6
Constituent 7
Results and discussion
Auto-ignition temperature (liquids / gases)
- Key result
- Auto-ignition temperature:
- 415 °C
- Atm. press.:
- 980.7 mBar
Any other information on results incl. tables
First test series
| selected temp (°C) | seconds used | ignition? | observations |
426 |
5 | yes | flame and plopp |
| 421 | 5 | no | Smoke |
| 421 | 7 | yes | flame and plopp |
| 419 | 7 | no | smoke |
| 419 | 5 | no | smoke |
| 419 | 3 | no | smoke |
| 419 | 9 | no | smoke |
The lowest value is 421.09°C.
Second test series
| selected temp (°C) | seconds used | ignition? | observations |
441.1 |
5 | yes | flame and plopp |
| 436.1 | 5 | yes | flame and plopp |
| 431.1 | 5 | yes | flame and plopp |
| 426.1 | 5 | yes | flame and plopp |
| 421.1 | 5 | yes | flame and plopp |
| 416.1 | 5 | yes | flame and plopp |
| 411.1 | 5 | no | smoke |
| 411.1 | 7 | no | smoke |
| 411.1 | 9 | no | smoke |
| 411.1 | 3 | no | smoke |
| 414.5 | 5 | yes | flame and plopp |
| 412.5 | 5 | no | smoke |
| 412.5 | 7 | no | smoke |
| 412.5 | 9 | no | smoke |
| 412.5 | 3 | no | smoke |
The lowest value is 414.63°C.
Third test series
| selected temp (°C) | seconds used | ignition? | observations |
434.6 |
5 | yes | flame and plopp |
| 426.6 | 5 | yes | flame and plopp |
| 424.6 | 5 | yes | flame and plopp |
| 419.6 | 5 | no | smoke |
| 419.6 | 7 | yes | flame and plopp |
| 417.6 | 7 | no | smoke |
| 417.6 | 5 | no | smoke |
| 417.6 | 9 | no | smoke |
| 417.6 | 3 | no | smoke |
The lowest value is 420.28°C.
The lowest main test values are summarized below:
| experiment | value (rounded to integer) | ignition delay | seconds used |
| 1 | 421 °C | 27s | 7 |
| 2 | 415 °C | 25s | 5 |
| 3 | 420 °C | 29s | 7 |
Applicant's summary and conclusion
- Conclusions:
- Auto-ignition temperature: 415°C.
- Executive summary:
The auto ignition temperature was determined in three independent determinations. A lowest value of the main test of 415°C was found.
Therefore, the auto-ignition temperature according to EU A.15 (rounded down to a whole multiple of 5 °C) of the test item is stated as 415 °C.
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