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EC number: 947-985-1 | CAS number: -
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:
- 23 - 27 April 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- - Identification: tris(2-hydroxyethyl)methylammonium hydroxide CAS 33667-48-0
- Batch: D26-3-3-1
- Purity: 47.4%
- Expiry: 01 December 2018
- Storage conditions: Room temperature in the dark - Key result
- Auto-ignition temperature:
- 348 °C
- Atm. press.:
- >= 100.8 - <= 101.3 kPa
- Remarks on result:
- other: Room temperature: 17 to 19 °C
- Conclusions:
- The test item has been determined to have an auto-ignition temperature of 348 ± 5 °C.
Reference
Results of the auto-ignition temperature determination are shown in the following table:
| Test temperature (ºC) | Test volume (μL) | Ignition delay (s) | Observations |
| 200 (clean flask) | 70 | >300 | No ignition. Grey fumes were emitted. |
| 250 (clean flask) | 70 | >300 | No ignition. Grey fumes were emitted. |
| 300 (clean flask) | 70 | >300 | No ignition. Grey fumes were emitted. |
| 350 | 70 | >300 | No ignition. Grey fumes were emitted. |
| 400 | 70 | 7 | Blue/yellow flame. Grey fumes were emitted. |
| 380 | 70 | >300 | No ignition. Grey fumes were emitted. |
| 390 | 70 | 2 | Blue/green flame. Grey fumes were emitted. |
| 386 | 70 | 2 | Blue/green flame. Grey fumes were emitted. |
| 384 | 70 | 4 | Blue/green flame. Grey fumes were emitted. |
| 382 (clean flask) | 70 | 6 | Blue/green flame. Grey fumes were emitted. |
| 380 (clean flask) | 70 | 5 | Blue/green flame. Grey fumes were emitted. |
| 376 (clean flask) | 70 | >300 | No ignition. Grey fumes were emitted. |
| 378 (clean flask) | 70 | >300 | No ignition. Grey fumes were emitted. |
| 378 (clean flask) | 200 | >300 | No ignition. Grey fumes were emitted. |
| 378 (clean flask) | 400 | 26 | Blue/yellow flame. Grey fumes were emitted. |
| 376 (clean flask) | 400 | 46 | Blue/yellow flame. Grey fumes were emitted. |
| 374 (clean flask) | 400 | 19 | Blue/yellow flame. Grey fumes were emitted. |
| 372 (clean flask) | 400 | 14 | Blue/yellow flame. Grey fumes were emitted. |
| 368 (clean flask) | 400 | 30 | Blue/yellow flame. Grey fumes were emitted. |
| 366 (clean flask) | 400 | >300 | No ignition. Grey fumes were emitted. |
| 366 (clean flask) | 600 | 41 | Blue/yellow flame. Grey fumes were emitted. |
| 364 (clean flask) | 600 | >300 | No ignition. Grey fumes were emitted. |
| 364 (clean flask) | 800 | 94 | Blue/yellow flame. Grey fumes were emitted. |
| 362 (clean flask) | 800 | 62 | Blue/yellow flame. Grey fumes were emitted. |
| 358 (clean flask) | 800 | 100 | Blue/yellow flame. Grey fumes were emitted. |
| 356 (clean flask) | 800 | 70 | Blue/yellow flame. Grey fumes were emitted. |
| 352 (clean flask) | 800 | 114 | Blue/yellow flame. Grey fumes were emitted. |
| 350 (clean flask) | 800 | 69 | Blue/yellow flame. Grey fumes were emitted. |
| 340 (clean flask) | 800 | >300 | No ignition. Grey fumes were emitted. |
| 342 (clean flask) | 800 | >300 | No ignition. Grey fumes were emitted. |
| 346 (clean flask) | 800 | >300 | No ignition. Grey fumes were emitted. |
| 348 (clean flask) | 800 | 89 | Blue/yellow flame. Grey fumes were emitted. |
| 346 (clean flask) | 1000 | >300 | No ignition. Grey fumes were emitted. |
| 346 (clean flask) | 600 | >300 | No ignition. Grey fumes were emitted. |
| 346 (clean flask) | 400 | >300 | No ignition. Grey fumes were emitted. |
| 346 (clean flask) | 200 | >300 | No ignition. Grey fumes were emitted. |
Description of key information
The test item has been determined to have an auto-ignition temperature of 348 +/-5 °C at an atmospheric pressure between 100.8 and 101.3 kPa in a GLP study according to EU A.15 (K1, Covance, 2019).
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 348 °C
Additional information
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