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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: 2 December 2009 Study completion date: 16 March 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 0
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
Deviations:
no
Qualifier:
according to
Guideline:
other: DIN 51 794 (covers a temperature range from 75 to 650 °C)
Deviations:
no
GLP compliance:
yes
Remarks:
GLP in accordance with the currently valid German Chemical Substance Act (Chemikaliengesetz – ChemG), the underlying Commission Directive 2004/10/EC of 11 February 2004 and the relevant OECD decision of the council on 26 November 1997
Test material information:
Composition 1
Key result
Auto-ignition temperature:
435 °C
Atm. press.:
1 007 hPa

Details on measurements:

Lowest ignition temperature [°C]:

Test 1: 450;

Test 2: 440;

Test 3: 438;

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.

Auto-ignition temperature: 435 °C at 1007 hPa

Single measurements main test:

 

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 1

480

 

5

 

5

475

 

5/10

 

-/3

470

 

10

 

4

465

 

10

 

6

460

 

10

 

7

455

 

10

 

8

450

 

10

 

15

445

 

10/15

/20

-/-/-

448

 

20

 

 

 

 

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 2

460

 

5/10

 

-/5

455

 

10

 

7

450

 

10

 

9

445

 

10

 

10

440

 

10

 

12

435

 

10/15

/20

-/-/-

438

 

20

 

-

 

 

Temperature [°C]

Injected volume
[Drops]

Time-lag [s] until
ignition

Test 3

450

 

5/10

 

-/7

445

 

10

 

10

440

 

10

 

12

435

 

10/15

/20

-/-/-

438

 

20

 

14

436

 

20

 

-

The measured lowest ignition temperatures of the main test are > 300 °C and do not differ by more than 20 °C, thus the test is satisfactory.

Conclusions:
Auto-ignition temperature (EU method A.15): 435 °C at 1007 hPa
Executive summary:

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

Auto-ignition temperature: (1007 hPa) 435 °C

Description of key information

Auto-ignition temperature (EU method A.15): 435 °C at 1007 hPa

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
435 °C

Additional information

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

Auto-ignition temperature: (1007 hPa) 435 °C