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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:
2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study (EU A.15 / DIN 51794).
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to guideline
Guideline:
other: DIN 51794
GLP compliance:
yes (incl. QA statement)
Auto-ignition temperature:
350 °C
Atm. press.:
>= 1 020.3 - <= 1 025.5 hPa
Remarks on result:
other:

Preliminary test:

The estimated auto-ignition temperature was 380 °C.

Main study:

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

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 <20 °C. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test substance occurred was 354 °C. This temperature was rounded off to the nearest multiple of 5 giving an auto-ignition temperature of the test substance of 350 °C.

Main study – auto-ignition temperature of the test substance

Test Volume [µl] Auto-ignition temp.[°C] Ignition delay [s] Min. auto-ignition temp. [°C]

1        70                  377                            8                    356

125                356                            9

180                357                           10

2        80                  368                            8                    355

150                355                            10

225                360                            8

3        75                  373                            9                    354

135                354                            9

250                368                            8

 

The colour of the flame was blue/orange.

Conclusions:
The auto-ignition temperature of the test substance is 350 °C at 1020.3-1025.5 hPa.
Executive summary:

The auto-ignition temperature of the test substance was determined according to EU A.15 / DIN 51794 using a commercially available auto-ignition temperature apparatus (Chilworth Technology, Southampton, UK). The auto-ignition temperature of the test substance is 350 °C at 1020.3-1025.5 hPa.

Description of key information

 The auto-ignition temperature of the test substance is 350 °C at 1020.3-1025.5 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
350 °C

Additional information

The auto-ignition temperature of the test substance was determined according to EU A.15 / DIN 51794 using a commercially available auto-ignition temperature apparatus (Chilworth Technology, Southampton, UK). The auto-ignition temperature of the test substance is 350 °C at 1020.3-1025.5 hPa.