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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:
20-08-2014 to 28-11-2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to
Guideline:
other: DIN Guide 51794 DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003.
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
inspected: January 2013; signature: March 2013
Auto-ignition temperature:
255 °C
Atm. press.:
1 atm
Remarks on result:
other: Atmospheric pressure: 1008.6 - 1009.8 hPa

Preliminary test

The estimated auto-ignition temperature was 274 °C at atmospheric pressure: 1008.6 hPa.

Main study

Based on results of the main test series, the auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 255 °C.

Table 1.0 : Lowest temperatures at which an ignition occurred

Main test series

Lowest temperatures of an ignition

Highest temperatures without an ignition

Atmospheric Pressure

1

256 °C

251 °C

1008.6 hPa to 1009.8 hPa

2

260 °C

255 °C

1009.8 hPa

3

257 °C

252 °C

1009.8 hPa

Conclusions:
The auto-ignition temperature of the test item was determined to be 255 °C at 1008.6 -1009.8 hPa (atmospheric pressure).
Executive summary:

The auto-ignition temperature was determined using EU Method A.15 and DIN 51794 (2003) under GLP. The auto-ignition temperature is the lowest temperature at which the test item will ignite when mixed with air under the conditions defined in the test method. Ignition of the test item within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The lowest temperature at which ignition of the test item occurred was 256°C. This temperature was rounded down to the nearest multiple of 5°C. The auto-ignition temperature was determined to be 255°C at 1008.6 – 1009.8 hPa.

Description of key information

Auto-ignition temperature: 255 ± 5 °C at 1 atmosphere, EU Method A.15, 2014

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
255 °C

Additional information

The auto-ignition temperature was determined using EU Method A.15 and DIN 51794 (2003) under GLP. The auto-ignition temperature is the lowest temperature at which the test item will ignite when mixed with air under the conditions defined in the test method. Ignition of the test item within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The lowest temperature at which ignition of the test item occurred was 256°C. This temperature was rounded down to the nearest multiple of 5°C. The auto-ignition temperature was determined to be 255°C at 1008.6 – 1009.8 hPa.