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Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12-05-2014 to 12-08-2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: DIN Guide 51794 DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003.
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature", 1975
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected: March 2013; signature: May 2013
Auto-ignition temperature:
160 °C
Atm. press.:
1 atm
Remarks on result:
other: Atmospheric pressure: 1009.2 to 1021.4 hPa

Preliminary test

The estimated auto-ignition temperature was 185°C.

 

Main study

Ignition of the test substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 10°C. According to the guidelines, no further testing was required. No minimum auto-ignition temperature as a function of injection volume was observed up to the maximum injection volume of 1000 μl. The lowest temperature at which ignition of the test substance occurred was 163°C. This temperature was rounded down to the nearest multiple of 5°C giving an auto-ignition temperature of the test substance of 160°C.

Conclusions:
The auto-ignition temperature was determined to be 160 °C at 1009.2 – 1021.4 hPa.
Executive summary:

The auto-ignition temperature was determined using EU Method A.15 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 substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 10°C. According to the guidelines, no further testing was required. No minimum auto-ignition temperature as a function of injection volume was observed up to the maximum injection volume of 1000 μl. The lowest temperature at which ignition of the test substance occurred was 163°C. This temperature was rounded down to the nearest multiple of 5°C. The auto-ignition temperature was determined to be 160 °C at 1009.2 – 1021.4 hPa.

Description of key information

Auto-ignition temperature: 160 °C at 1009.2 – 1021.4 hPa, EU Method A.15, 2014

Key value for chemical safety assessment

Additional information

The auto-ignition temperature was determined using EU Method A.15. 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 substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 10°C. According to the guidelines, no further testing was required. No minimum auto-ignition temperature as a function of injection volume was observed up to the maximum injection volume of 1000 μl. The lowest temperature at which ignition of the test substance occurred was 163°C. This temperature was rounded down to the nearest multiple of 5°C. The auto-ignition temperature was determined to be 160 °C at 1009.2 – 1021.4 hPa.