Registration Dossier
Registration Dossier
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EC number: 219-785-8 | CAS number: 2530-85-0
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:
- 2010-05-20 to 2010-05-25
- 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))
- Qualifier:
- according to guideline
- Guideline:
- DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
- Qualifier:
- according to guideline
- Guideline:
- IEC 60079-4 (Electrical apparatus for explosive gas atmospheres. Part 4: Method of test for ignition temperature)
- GLP compliance:
- yes (incl. QA statement)
- Key result
- Auto-ignition temperature:
- 275 °C
- Atm. press.:
- >= 1 013.5 - <= 1 030.7 hPa
- Conclusions:
- An auto-ignition temperature value of 275°C at 1013.5 - 1030.7 hPa was determined in a reliable study conducted according to an appropriate test protocol. The result is considered to be reliable.
Reference
Preliminary test:
The estimated auto-ignition temperature was 290°C.
Main test:
The results of the main study are reported in the table below.
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 < 10°C.
The lowest temperature at which ignition of the test substance occurred was 275°C, which is also the auto-ignition temperature if rounded down to the nearest 5°C.
Auto-ignition temperature of the test substance:
Test | Volume [μl] | Auto-ignition Temperature [°C] | Ignition delay [s] | Colour of the flame | Minimum auto-ignition temperature [°C] |
Test 1 | 70 | 289 | 26 | Orange/blue | 278 |
150 | 282 | 44 | Orange/blue | ||
500 | 286 | 32 | Orange/blue | ||
Test 2 | 80 | 292 | 32 | Orange/blue | 275 |
25 | 281 | 45 | Orange/blue | ||
300 | 278 | 51 | Orange/blue | ||
Test 3 | 75 | 293 | 36 | Orange/blue | 276 |
260 | 282 | 53 | Orange/blue | ||
400 | 281 | 39 | Orange/blue |
The auto-ignition temperature of the test substance at 1013.5 -1030.7 hPa was 275°C.
Description of key information
Auto-ignition temperature: 275°C at 1013.5 - 1030.7 hPa (EU Method A.15)
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 275 °C
Additional information
An auto-ignition temperature value of 275°C at 1013.5 - 1030.7 hPa was determined for the substance in accordance with EU Method A.15 and in compliance with GLP. The result is considered to be reliable and selected as key study.
In a secondary source to which reliability could not be assigned, an auto-ignition temperature value of 360°C was reported for the substance.
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