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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:
2015-08-10 to 2015-08-19
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
The study was conducted according to an appropriate OECD test guideline and in compliance with a known quality system (ISO 9001:2008).
Reference:
Composition 0
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to
Guideline:
DIN EN 14522, Method S (Determination of the auto ignition temperature of gases and vapours)
GLP compliance:
no
Other quality assurance:
other: ISO 9001:2008
Test material information:
Composition 1
Key result
Auto-ignition temperature:
226 °C
Atm. press.:
960 - 968 hPa

Preliminary Test

 

No.

Test temperature

[°C]

Number of

sample

[drops]

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

223.9

5

-

965

2

248.4

5

-

 

3

271.5

5

-

 

4

279.9

5

+

 

 

Lowest test temperature:

279.9 °C

Test Series 1

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

275.0

5

+

 

2

270.0

5

+

 

3

265.0

5

+

 

4

260.0

5

+

 

5

255.0

5

+

 

6

250.0

5

+

968

7

245.0

5

+

 

8

240.0

5

-

 

9

240.0

1

-

 

10

240.0

9

-

 

11

240.0

13

-

 

12

240.0

17

+

 

13

235.0

17

-

 

14

235.0

13

+

 

15

230.0

13

-

 

16

230.0

9

-

 

17

230.0

5

-

 

18

230.0

1

-

 

19

230.0

17

+

 

20

225.0

17

-

 

21

225.0

13

-

 

22

225.0

9

-

 

23

225.0

5

-

 

24

225.0

1

-

 

25

228.0

17

-

 

26

228.0

13

-

 

27

228.0

9

-

 

28

228.0

5

-

 

29

228.0

1

-

 

 

Lowest test temperature:

230°C

 


 

Test Series 2

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

280.0

17

+

961

2

275.0

17

+

 

3

270.0

17

+

 

4

265.0

17

+

 

5

260.0

17

+

 

6

255.0

17

+

 

7

250.0

17

+

 

8

245.0

17

+

 

9

240.0

17

+

 

10

235.0

10

-

960

11

235.0

6

-

 

12

235.0

2

+

 

13

230.0

2

-

 

14

230.0

6

-

 

15

230.0

10

-

 

16

230.0

14

-

 

17

230.0

18

-

 

18

233.0

2

-

 

19

233.0

6

-

 

20

233.0

10

-

 

21

233.0

14

+

 

22

231.0

14

+

 

23

229.0

14

+

963

24

227.0

14

-

 

25

227.0

10

-

 

26

227.0

6

-

 

27

227.0

2

-

 

28

227.0

18

-

 

 

Lowest test temperature:

229°C

  

Test Series 3

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

240.0

14

+

 

2

235.0

14

-

 

3

235.0

10

+

 

4

230.0

10

-

 

5

230.0

6

-

 

6

230.0

2

-

 

7

230.0

14

+

 

8

225.0

14

-

 

9

225.0

10

-

966

10

225.0

6

-

 

11

225.0

2

-

 

12

225.0

18

-

 

13

228.0

14

-

 

14

228.0

10

-

 

15

228.0

6

-

 

16

228.0

2

-

 

17

228.0

18

-

 

 

Lowest test temperature:

230°C

 


 

Summary

 

Parameter

Value

Lowest value of test series 1:

230°C

Lowest value of test series 2:

229°C

Lowest value of test series 3:

230°C

Lowest value of all test series:

229°C

Absolute deviation of the lowest value (1.5%):

3.4°C

 

Auto-ignition temperature:

226°C

Conclusions:
An auto-ignition temperature of 226°C at 960 - 968 hPa was determined for this substance using the relevant test method and in compliance with ISO 9001:2008. The result is considered to be reliable.

Description of key information

Auto-ignition temperature: 226°C at 960 to 968 hPa (DIN 14522)

Key value for chemical safety assessment

Additional information

An auto-ignition temperature value of 226°C at 972 to 977 hPa was determined for the submission substance in accordance with DIN 14522 Method S and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.