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Physical & Chemical properties

Auto flammability

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Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018-08-23 to 2018-09-12
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
March 04, 2016
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Deutsches Institut für Normung (DIN) Guide 51794: Determining the Ignition Temperature of Petroleum Products.
Version / remarks:
May 2003
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Auto-ignition temperature:
505 °C
Atm. press.:
1 019.5 hPa
Auto-ignition temperature:
510 °C
Atm. press.:
1 019 hPa
Remarks on result:
preliminary test

Preliminary Test

The estimated auto-ignition temperature was 510°C.

Main Study

The results of the main study on the determination of the auto-ignition temperature of the test item are given in the table below.

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 maximum deviation between the three values was < 10°C. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test item occurred was 505°C. This temperature was a multiple of 5°C and therefore given as the auto-ignition temperature of the test item.

Auto-ignition Temperature of the Test Item:

Test

Volume


[µL]

Auto-ignition
temperature

[°C]

Ignition delay



[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

1

50

513

10

orange

510

 

70

510

11

orange/blue

 

 

130

528

9

orange/blue

 

2

40

507

12

orange

505

 

60

505

11

orange/blue

 

 

100

514

11

orange/blue

 

3

25

513

8

orange/blue

510

 

65

510

10

orange

 

 

110

517

10

orange/blue

 
Conclusions:
Auto ignition temperature (EU method A.15): 505°C (at 1019 to 1020 hPa)
Executive summary:

In a reliable study performed according to relevant guidelines (e.g. EU method A.15) compliant with GLP, the auto ignition temperature for the submission substance was determined with the following result:

Auto ignition temperature (EU method A.15): 505°C (at 1019 to 1020 hPa) - the test item is auto-ignitable.

Description of key information

Auto ignition temperature (EU method A.15): 505°C (at 1019 to 1020 hPa)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
505 °C

Additional information

In a reliable study performed according to relevant guidelines (e.g. EU method A.15) compliant with GLP, the auto ignition temperature for the submission substance was determined with the following result:

Auto ignition temperature (EU method A.15): 505°C (at 1019 to 1020 hPa) - the test item is auto-ignitable.