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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 May 2010 to 05 June 2010.
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))
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
in compliance with UK GLP standards (Schedule 1, Good Laboratory Practice Regulations 1999 (SI 1999/3106 as amended by SI 2004/0994)).
Key result
Auto-ignition temperature:
389 - 399 °C
Atm. press.:
101.75 - 101.81 kPa

Table 1: Observations of the test material

Test Temperature (ºC)

Test Volume (µL)

Ignition Delay (s)

Observations

50 (clean flask)

70

>300

No ignition.

100 (clean flask)

70

>300

No ignition.

150

70

>300

No ignition, grey fumes emitted.

200

70

>300

No ignition, grey fumes emitted.

250

70

>300

No ignition, grey fumes emitted.

300

70

>300

No ignition, grey fumes emitted.

350

70

>300

No ignition, grey fumes emitted.

400 (clean flask)

70

>300

No ignition, grey fumes emitted.

400 (clean flask)

200

1

Blue flame, grey fumes emitted.

390 (clean flask)

200

>300

No ignition, grey fumes emitted.

394 (clean flask)

200

1

Blue flame, grey fumes emitted.

392 (clean flask)

200

>300

No ignition, grey fumes emitted.

392 (clean flask)

400

>300

No ignition, grey fumes emitted.

392 (clean flask)

600

>300

No ignition, grey fumes emitted.

392 (clean flask)

800

>300

No ignition, grey fumes emitted.

392 (clean flask)

1000

>300

No ignition, grey fumes emitted.

392 (clean flask)

1200

>300

No ignition, grey fumes emitted.

Room temperature: 20 °C
Atmospheric pressure: 101.75 to 101.81 kPa

Conclusions:
The auto-ignition temperature of the test material was determined to be 394 ± 5 °C.
Executive summary:

The auto-ignition temperature of the test material was determined in a GLP compliant study performed to EU method A.15. The test material was found to have an auto-ignition temperature of 394 ± 5 °C.

Description of key information

The auto-ignition temperature of the test material was determined in a GLP compliant study performed to EU method A.15. The test material was found to have an auto-ignition temperature of 394 ± 5 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
394 °C

Additional information

Atwal et al (2010), the key study for the determination of the auto-ignition temperature of the test material was performed to EU method A.15 in compliance with GLP.

A reliability rating of 1 was assigned to this study, according to the criteria of Klimisch, 1997.