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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:
from 2016-06-08 to 2016-07-04
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:
(2008)
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
(2003)
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Key result
Auto-ignition temperature:
420 °C
Atm. press.:
1 007.2 hPa

Portions = drops; + indicates ignition, - indicates no ignition:

Preliminary test

T / °C

portions

+ / -

Time lag / s

202

5

-

-

252

5

-

-

302

5

-

-

352

5

-

-

402

5

-

-

452

5

+

8

432

5

-

-

barometric pressure: 1012.6 hPa

1stmain test (2 °C steps)

1stmain test continued (2 °C steps)

T / °C

portions

+ / -

Time lag / s

T / °C

portions

+ / -

Time lag / s

437

5

+

5

425

9

-

-

435

5

+

10

425

6

-

-

433

5

+

15

425

10

-

-

431

5

-

-

425

4

-

-

431

2

+

15

425

8

-

-

429

2

+

15

 

 

 

 

427

2

+

15

 

 

 

 

425

2

-

-

 

 

 

 

425

1

-

-

 

 

 

 

425

5

-

-

 

 

 

 

425

3

-

-

 

 

 

 

425

7

-

-

 

 

 

 

barometric pressure: 1012.1 hPa

barometric pressure: 1010.4 hPa

2ndmain test (2 °C steps)

T / °C

portions

+ / -

Time lag / s

427

2

+

17

425

2

+

18

423

2

-

-

423

8

-

-

423

3

-

-

423

7

-

-

423

4

-

-

423

6

-

-

423

9

-

-

423

5

-

-

423

10

-

-

423

1

-

-

barometric pressure: 1007.2 hPa

3rdmain test (2 °C steps)

3rdmain test continued (2 °C steps)

T / °C

portions

+ / -

Time lag / s

T / °C

portions

+ / -

Time lag / s

425

2

-

-

431

7

-

-

427

2

-

-

431

3

-

-

429

2

-

-

431

6

-

-

431

2

-

-

431

4

-

-

433

2

-

-

431

9

-

-

435

2

-

-

431

5

-

-

437

2

+

2

431

10

-

-

435

2

+

15

 

 

 

 

433

2

+

15

 

 

 

 

431

2

-

-

 

 

 

 

431

8

-

-

 

 

 

 

431

1

-

-

 

 

 

 

barometric pressure: 1009.4 hPa

barometric pressure: 1009.4 hPa
Conclusions:
The auto-ignition temperature of the test item according to the auto-ignition test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.15. is 420 °C, based on a main test series measured at 1007.2 hPa.
Executive summary:

The auto-ignition temperature of the test item according to the auto-ignition test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.15. is 420 °C.

Description of key information

The auto-ignition temperature of the test item according to the auto-ignition test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.15. is 420 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
420 °C

Additional information