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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:
24 September 2014 to 05 October 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Key result
Auto-ignition temperature:
200 °C
Atm. press.:
>= 100.8 - <= 101.7 kPa

Table 1: Results

Test Temperature (°C)

Test Volume (µL)

Ignition Delay (s)

Observations

200 (clean flask)

70

10

A blue flame. Grey fumes were emitted.

190

70

>300

No ignition. Grey fumes were emitted.

196

70

>300

No ignition. Grey fumes were emitted.

198

70

>300

No ignition. Grey fumes were emitted.

198 (clean flask)

200

>300

No ignition. Grey fumes were emitted.

198 (clean flask)

400

>300

No ignition. Grey fumes were emitted.

198 (clean flask)

600

>300

No ignition. Grey fumes were emitted.

198 (clean flask)

800

>300

No ignition. Grey fumes were emitted.

198 (clean flask)

1000

>300

No ignition. Grey fumes were emitted.

Room temperature: 20 °C

Atmospheric pressure: 100.8 to 101.7 kPa

Conclusions:
Under the conditions of this study, the test material has been determined to have an auto-ignition temperature of 200 ± 5 °C.
Executive summary:

The auto-ignition temperature of the test material was investigated in accordance with the standardised guideline EU Method A.15, under GLP conditions.

The test flask was heated in a flask heater. Aliquots of test material (tested as received) were injected into the flask using a syringe and the flask observed for signs of ignition over a 300 second period. This procedure was repeated, varying the sample size, as necessary, until the lowest temperature at which ignition, if any, occurred within 300 seconds of insertion, was determined.

Under the conditions of this study, the test material has been determined to have an auto-ignition temperature of 200 ± 5 °C.

Description of key information

Under the conditions of this study, the test material has been determined to have an auto-ignition temperature of 200 ± 5 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
200 °C

Additional information

The auto-ignition temperature of the test material was investigated in accordance with the standardised guideline EU Method A.15, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The test flask was heated in a flask heater. Aliquots of test material (tested as received) were injected into the flask using a syringe and the flask observed for signs of ignition over a 300 second period. This procedure was repeated, varying the sample size, as necessary, until the lowest temperature at which ignition, if any, occurred within 300 seconds of insertion, was determined.

Under the conditions of this study, the test material has been determined to have an auto-ignition temperature of 200 ± 5 °C.