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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:
2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
no
Remarks:
ISO 9001:2008
Key result
Auto-ignition temperature:
345 °C
Atm. press.:
1 013 hPa

Preliminary test

No.

Test temperature [°C]

Number of sample [drops]

Result concerning ignition [negative(-) / positive(+)]

Atmospheric pressure [hPa]

1

372.2

5

-

953.8

2

380.9

5

+

 

 

Lowest test temperature:

380.9 °C

 

Test series 1

No.

Test temperature [°C]

Number of sample [drops]

Result concerning ignition [negative(-) / positive(+)]

Atmospheric pressure [hPa]

1

381.0

17

+

953.8

2

376.0

17

-

 

3

376.0

12

+

 

4

371.0

17

+

 

5

366.0

17

+

 

6

361.0

17

+

 

7

356.0

17

-

 

8

356.0

7

+

976.1

9

351.0

17

-

 

10

351.0

12

-

 

11

351.0

7

-

 

12

354.0

17

-

 

13

354.0

12

+

 

14

352.0

17

-

 

15

352.0

12

-

 

16

352.0

7

+

 

17

350.0

17

-

 

18

350.0

12

-

 

19

350.0

7

+

 

20

348.0

17

-

 

21

348.0

12

-

 

22

348.0

7

-

 

 

Lowest test temperature:

350°C

 

Test series 2

No.

Test temperature [°C]

Number of sample [drops]

Result concerning ignition [negative(-) / positive(+)]

Atmospheric pressure [hPa]

1

361.0

17

+

978.0

2

356.0

17

-

 

3

356.0

12

+

 

4

351.0

17

+

 

5

346.0

17

-

 

6

346.0

12

-

 

7

346.0

7

-

 

8

349.0

17

-

 

9

349.0

12

-

 

10

349.0

7

-

 

 

Lowest test temperature:

351°C

 

Test series 3

No.

Test temperature [°C]

Number of sample [drops]

Result concerning ignition [negative(-) / positive(+)]

Atmospheric pressure [hPa]

1

360.0

17

+

 

2

355.0

17

+

 

3

350.0

17

-

 

4

350.0

12

-

972.3

5

350.0

7

-

 

6

353.0

17

-

 

7

353.0

12

+

 

8

351.0

17

-

 

9

351.0

12

-

 

10

351.0

7

-

 

 

Lowest test temperature:

353°C

 

Summary

Parameter

Value

Lowest value of test series 1:

350°C

Lowest value of test series 2:

351°C

Lowest value of test series 3:

353°C

Lowest value of all test series:

350°C

Absolute deviation of the lowest value (1.5%):

5.3°C

 

Auto-ignition temperature:

345 °C

Description of key information

Auto flammability 345.0 °C (EU Method A.15)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
345 °C

Additional information

A measured auto flammability value of 345.0 °C was determined for the substance in accordance with EU Method A.15 and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.