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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05 March 2018 to 12 April 2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003-05
Deviations:
no
GLP compliance:
no
Key result
Auto-ignition temperature:
249 °C
Remarks on result:
other: Atmospheric pressure not specified

Uncorrected value from measuring device = 253 °C

Corrected value = 0.985 x 253 = 249 °C

Conclusions:
Under the conditions of this study the autoignition temperature of the test material has been determined to be 249 °C.
Executive summary:

The auto-ignition temperature of the test material was determined in accordance with the standardised guideline DIN 51794, using the Petrotest ZPA 3 with automated Test Programs.

The measurements were performed with heating from 25 up to a maximum of 650 °C. The range-finder program heated at 5 K/min to determine an approximate temperature in 20 K steps. Program A then determined the minimal auto-ignition temperature in 5 K steps followed by Program B which determined the minimal auto-ignition temperature in 2 K steps.

Under the conditions of this study the auto-ignition temperature of the test material has been determined to be 249 °C.

Description of key information

Under the conditions of this study the auto-ignition temperature of the test material has been determined to be 249 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
249 °C

Additional information

The auto-ignition temperature of the test material was determined in accordance with the standardised guideline DIN 51794, using the Petrotest ZPA 3 with automated Test Programs. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The measurements were performed with heating from 25 up to a maximum of 650 °C. The range-finder program heated at 5 K/min to determine an approximate temperature in 20 K steps. Program A then determined the minimal auto-ignition temperature in 5 K steps followed by Program B which determined the minimal auto-ignition temperature in 2 K steps.

Under the conditions of this study the auto-ignition temperature of the test material has been determined to be 249 °C.

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