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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:
Study initiation date: 24 June 2009 Study completion date: 28. October 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
Directive 92/69/EEC, Official Journal L 383 A 1992
Qualifier:
according to
Guideline:
other: DIN 51 794 (covers a temperature range from 75 to 650 °C)
GLP compliance:
yes
Key result
Auto-ignition temperature:
265 °C
Atm. press.:
1 010 hPa

Details on measurements:

 

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 1

300

5

7

295

5

15

290

5 / 10

- / 20

285

10

25

280

10 / 15

- / 28

275

15

45

270

15 / 20

- / -

273

20

-

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 2

290

5 / 10

- / 20

285

10 / 15

- / 24

280

15

40

275

15

52

270

15 / 20

- / -

273

20

65

271

20

65

270

20

78

 268 20 

 

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 3

280

5 / 10

- / 34

275

10

36

270

10 / 15 / 20

- / - / 75

268

20

63

266

20

-

The measured lowest ignition temperatures of the main test are < 300 °C and do not differ by more than 10 °C, thus the test is satisfactory.

The auto-ignition temperature is defined as the lowest temperature of all single results of the main test, but rounded down to multiples of 5 °C:

Lowest ignition temperatures [°C]:

Test 1: 275;

Test 2: 270;

Test 3: 268;

Auto-ignition temperature: 265 °C

Conclusions:
Auto-ignition temperature (EU method A.15): 265 °C at 1010 hPa.
Executive summary:

The auto-ignition temperature of the test item was determined according to EU test method A.15 [Directive 92/69/EEC, Official Journal L 383 A 1992] and DIN 51 794.

Auto-ignition temperature: (1010 hPa) 265°C

Description of key information

Auto-ignition temperature (EU method A.15): 265 °C at 1010 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
265 °C

Additional information

The auto-ignition temperature of the test item was determined according to EU test method A.15 [Directive 92/69/EEC, Official Journal L 383 A 1992] and DIN 51 794.

Auto-ignition temperature: (1010 hPa) 265°C