Registration Dossier
Registration Dossier
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EC number: 203-930-7 | CAS number: 112-04-9
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-ignition temperature, other
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 12-Jan to 14-Jan 2016
- 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))
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Groupe Interministerial des Produits Chimiques, 67 rue Barbes, 94201 Ivry-sur Seine
- Auto-ignition temperature:
- 235 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- An auto-ignition temperature of 232 - 238 °C at approximatley 980 hPa was determined in a reliable study conducted according to an appropriate test protocol, and in compliance with GLP.
Reference
Results
Preliminary test
Volume of test item injected in the oven: 70 µL
|
Temperature |
Auto-ignition |
Maximal temperature of the air recorded in the centre of the test flask after auto-ignition (°C) |
Atmospheric pressure |
Relative humidity |
|||
Assay No. |
Observed |
Corrected |
Y / N |
Lag (s) |
Observed |
Corrected |
||
1 |
104 |
104 |
No |
/ |
/ |
/ |
97.4 |
33 |
2 |
147 |
147 |
No |
/ |
/ |
/ |
97.4 |
33 |
3 |
195 |
195 |
No |
/ |
/ |
/ |
97.4 |
35 |
4 |
255 |
255 |
Yes |
4 |
283 |
283 |
97.4 |
34 |
5 |
239 |
239 |
Yes |
13 |
263 |
263 |
97.4 |
37 |
6 |
226 |
226 |
No |
/ |
/ |
/ |
97.4 |
30 |
7 |
231 |
231 |
No |
/ |
/ |
/ |
97.4 |
31 |
The flash point was observed between 205.0°C and 210.0°C (corrected values).
The auto-ignition temperature was situated between 231 °C and 239 °C (corrected values). This range is given for information, the final result is given by the main test in following section.
Main test
Volume of test item injected in the oven: 70 µL
Only the runs with an auto-ignition observed for each assay are summarised in the following table.
|
Auto-ignition Temperature |
Auto-ignition |
Maximal temperature of the air recorded in the center of the test flask after auto-ignition (°C) |
Atmospheric pressure |
Relative humidity |
||
Assay No. |
Observed |
Corrected |
Lag (s) |
Observed |
Corrected |
||
1 |
237 |
237 |
19 |
283 |
283 |
98.9 |
30 |
2 |
236 |
236 |
14 |
272 |
272 |
98.7 |
28 |
3 |
235 |
235 |
19 |
276 |
276 |
97.7 |
32 |
4 |
236 |
236 |
18 |
277 |
277 |
97.6 |
36 |
5 |
235 |
235 |
18 |
278 |
278 |
97.8 |
38 |
Conclusion
The auto-ignition temperature of the test item was 235 °C ± 3 °C (corrected temperature).
Description of key information
Trichloro(octadecyl)silane: 235 °C at 1013 hPa (measured).
Key value for chemical safety assessment
Additional information
An auto-ignition temperature value of 235 °C at 1013 hPa was determined according to EU Method A.15.
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