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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018-01-03 to 2018-01-10
Reliability:
1 (reliable without restriction)
Qualifier:
equivalent or similar 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:
- Batch No.of test material: PFW110370
- Purity: 99.1%
- Expiration date of the lot/batch: 31 December 2018
- Storage condition of test material: Room temperature, in the dark
Key result
Auto-ignition temperature:
254 °C
Atm. press.:
>= 98.4 - <= 100.8 kPa
Remarks on result:
other: Room temperature: 18 to 19 °C

Results of the auto-ignition temperature determination are shown in the following table:

 Test temperature (ºC)

  Test volume (μL) Ignition delay (s)  Observations
 200 (clean flask)  70  >300  No ignition.
 250 (clean flask)  70  >300  No ignition.
 300 (clean flask)  70  3  Orange/yellow flame with light grey fumes emitted.
 280  70  3  Orange/yellow flame with light grey fumes emitted.
 270  70  >300  No ignition, small amount of grey fumes emitted.
 276 (clean flask)  70  >300  No ignition.
 278 (clean flask)  70  6  Blue flame with grey fumes emitted.
 276 (clean flask)  200  1  Orange/blue flame with grey fumes emitted.
274 (clean flask)   70  >300  No ignition.
 274 (clean flask)  200  10  Orange/blue flame with grey fumes emitted.
 272 (clean flask)  200  20  Orange flame with grey fume emitted.
 268 (clean flask)  200  6  Blue flame with grey fumes emitted.
 266 (clean flask)  200  12  Orange/blue flame with grey fumes emitted.
 262 (clean flask)  200  16  Orange/blue flame with grey fumes emitted.
 264 (clean flask)  200  >300  No ignition, no fumes emitted.
 260 (clean flask)  200  23  Orange flame with grey fume emitted.
 256 (clean flask)  200  >300  No ignition, no fumes emitted.
 258 (clean flask)  200  >300  No ignition, no fumes emitted.
258 (clean flask)   400  23  Blue/orange flame with grey fumes emitted.
 256 (clean flask)  400  >300  No ignition, no fumes emitted.
 256 (clean flask)  600  20  Blue flame with grey fumes emitted.
 254 (clean flask)  600  >300  No ignition, grey fumes emitted.
 254 (clean flask)  800  39  Blue flame with grey fumes emitted.
 252 (clean flask) 800   >300  No ignition, grey fumes emitted.
 252 (clean flask)  1000  >300  No ignition, grey fumes emitted.
 252 (clean flask)  600  >300  No ignition, a small amount of grey fumes emitted.
 252 (clean flask)  400  >300  No ignition, no fumes emitted.
 252 (clean flask)  200  >300  No ignition, no fumes emitted.

Room temperature: 18 to 19 °C

Atmospheric pressure: 98.4 to 100.8 kPa

Conclusions:
The test item has been determined to have an auto-ignition temperature of 254 ± 5 °C.

Description of key information

The test item has been determined to have an auto-ignition temperature of 254 +/-5 °C at an atmospheric pressure between 98.4 and 100.8 kPa in a GLP study according to EU A.15 (K1, Envigo, 2018).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
254 °C

Additional information