Registration Dossier
Registration Dossier
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EC number: 829-719-5 | CAS number: 1190865-44-1
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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: IEC 60079-20-1, Section 7, Method of test for auto-ignition temperature
- Deviations:
- yes
- Remarks:
- 5 °C temperature increments rather than the specified 2 °C increments
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Auto-ignition temperature:
- 605 °C
- Atm. press.:
- >= 754 - <= 763 mm Hg
- Remarks on result:
- other: ± 30 °C
- Conclusions:
- The auto-ignition temperature of the substance was determined to be 605 ± 30 °C.
- Executive summary:
The auto-ignition temperature of the substance was tested under GLP in accordance with standard IEC 60079 -20 -1, Section 7, "Method of Test for Auto-Ignition Temperature", but with 5 °C temperature increments rather than the specified 2 °C increments. The test was carried out with a 200 mL Erlenmeyer flask of borosilicate glass, which was enclosed within a cylindrical furnace that could maintain the surfaces of the flask at a uniform, constant temperature. Surface temperature was monitored by means of thermocouples. A known quantity of test substance was added to the flask, the interior of which was then observed for signs of vapour ignition. The delay time from the addition of test substance to an ignition was recorded. The test was carried out at 20 - 21 °C at 754 to 763 mm Hg atmospheric pressure. No ignition occured at 600 °C with varous sample quantities tested. An ignition was observed at 605 °C with an injection volume of 70 µL and a delay time of 6 - 7 seconds. The auto-ignition temperature of the substance was determined to be 605 ± 30 °C.
Reference
Table 1: Auto-ignition temperature - summary of results
Test temperature (°C) |
Sample quantity (µL) |
Ignition delay (s) |
Result |
605 |
70 |
6 – 7 |
Ignition |
600 |
50 |
>300 |
No ignition |
600 |
70 |
>300 |
No ignition |
600 |
100 |
>300 |
No ignition |
600 |
150 |
>300 |
No ignition |
600 |
200 |
>300 |
No ignition |
Description of key information
Auto-ignition = 605 °C (IEC 60079-20-1, GLP)
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 605 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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