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EC number: 219-764-3 | CAS number: 2526-62-7
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:
- 2011-11-23 to 2011-11-25
- 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))
- Version / remarks:
- May 31, 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
- Version / remarks:
- May 2003
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- IEC 60079-4 (Electrical apparatus for explosive gas atmospheres. Part 4: Method of test for ignition temperature)
- Version / remarks:
- 1975
- Deviations:
- no
- GLP compliance:
- yes
- Key result
- Auto-ignition temperature:
- 380 °C
- Atm. press.:
- 1 024.1 - 1 030.7 hPa
- Conclusions:
- A minimum auto-ignition temperature of 380°C at 1024.1 – 1030.7 hPa was determined for the substance in accordance with an appropriate test method and in compliance with GLP. The result is considered to be reliable.
Reference
Preliminary study result:
Estimated auto ignition temperature was 410°C.
Main study result:
The result of the main study are shown in Table 2. Ignition of the test substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 20°C.
The lowest temperature at which ignition of the test substance occurred was 380°C. This temperature was a multiple of 5°C and therefore given as the auto-ignition temperature of the test substance.
Table 2: Main study: auto-ignition temperature of the test substance
Test |
Volume [µl] |
Auto ignition temperature [°C] |
Ignition delay [s] |
Colour of flame |
Minimum auto ignition temperature [°C] |
1 |
70 230 400 |
410 380 390 |
6 9 8 |
Orange/blue Orange/blue Orange/blue |
380 |
2 |
120 170 350 |
389 382 386 |
6 8 11 |
Orange/blue Orange/blue Orange/blue |
382 |
3 |
90 270 380 |
398 381 389 |
6 11 9 |
Orange/blue Orange/blue Orange/blue |
381 |
Conclusion
Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of 3-(trimethoxysilyl)propiononitrile.
The test substance is auto-ignitable with an auto-ignition temperature at 1024.1 – 1030.7 hPa of 380°C
Description of key information
Auto-ignition temperature: 380°C at 1024.1 to 1030.7hPa (DIN 51794)
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 380 °C
Additional information
An auto-ignition temperature value of 380°C at 1024.1 to 1030.7 hPa was determined for the substance using a relevant test method and in compliance with GLP. The result is considered to be reliable.
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