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EC number: 256-277-5 | CAS number: 46729-07-1
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:
- Experimental starting date: 19 April 2017. Experimental completion date: 02 September 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according 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: 4-(1,1-dimethylethyl)cyclohexyl methacrylate (CAS 46729-07-1)
Alterative name: Nourycryl MC 110 Description: clear colourless liquid
Batch number: DAR-16030
Purity: 89.2%
Expiry date: 01 August 2018
Storage conditions: approximately 4°C, in the dark - Key result
- Auto-ignition temperature:
- >= 333 - <= 343 °C
- Atm. press.:
- 102 kPa
- Conclusions:
- The test item has been determined to have an auto-ignition temperature of 338 ± 5 °C.
- Executive summary:
Auto-Ignition Temperature (Liquids and Gases). 338 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Reference
Results of the auto-ignition temperature determination
| Temperature (°C) | Clean Flask (Yes/No) |
Volume (μL) |
Ignition Delay (s) |
Observations |
| 200 | yes | 70 | >300 | No ignition, grey fumes emitted |
| 250 | yes | 70 | >300 | No ignition, grey fumes emitted |
| 300 | yes | 70 | >300 | No ignition, grey fumes emitted |
| 350 | no | 70 | 7 | Orange flame, grey fumes emitted |
| 330 | no | 70 | >300 | No ignition, grey fumes emitted |
| 340 | no | 70 | 10 | Orange flame, grey fumes emitted |
| 334 | no | 70 | >300 | No ignition, grey fumes emitted |
| 336 | no | 70 | >300 | No ignition, grey fumes emitted |
| 338 | yes | 70 | >300 | No ignition, grey fumes emitted |
| 338 | yes | 200 | 8 | Orange flame, grey fumes emitted |
| 336 | yes | 200 | >300 | No ignition, grey fumes emitted |
| 336 | yes | 400 | >300 | No ignition, grey fumes emitted |
| 336 | yes | 600 | >300 | No ignition, grey fumes emitted |
| 336 | yes | 800 | >300 | No ignition, grey fumes emitted |
| 336 | yes | 1000 | >300 | No ignition, grey fumes emitted |
Room temperature: 19 °C
Atmospheric pressure: 102 kPa
Observed result: 338 ± 5 °C
Description of key information
The measured self-ignition temperature is 338 +/- 5 oC
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 338 °C
Additional information
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