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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:
2015-07-09 to 2015-07-16
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 under the quality standard of ISO 9001:2008
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to guideline
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
Key result
Auto-ignition temperature:
251 °C
Atm. press.:
967 - 969 hPa

Preliminary Test

 

No.

Test temperature [°C]

Number of

sample

[drops]

Result concerning

ignition

[negative (-) / positive (+)]

Atmospheric pressure

[hPa]

 

1

202.6 5

5

-

963

2

217.2 5

5

-

 

3

235.3 5

5

-

 

4

256.6 5

5

-

 

5

282.8 5

5

-

 

6

296.2 5

5

+

 

 

Lowest test temperature:

296.2 °C

Test Series 1

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative (-) / positive (+)]

Atmospheric pressure

[hPa]

 

1

260.0

10

-

968

2

260.0

6

+

 

3

255.0

6

+

 

4

250.0

6

-

 

5

250.0

2

-

967 

6

250.0

10

-

 

7

250.0

14

-

 

8

250.0

18

-

 

9

255.0

10

+

 

10

250.0

10

-

 

11

250.0

6

-

 

12

250.0

2

-

 

13

250.0

14

-

 

14

250.0

18

-

 

15

253.0

10

-

 

16

253.0

6

-

 

17

253.0

2

-

 

18

253.0

14

-

 

19

253.0

18

-

 

 

Lowest test temperature:

255°C

Test Series 2

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative (-) / positive (+)]

Atmospheric pressure

[hPa]

 

1

265.0

10

+

 

2

260.0

10

+

 

3

255.0

10

+

969

4

250.0

10

-

 

5

250.0

6

-

 

6

250.0

2

-

 

7

250.0

14

-

 

8

250.0

18

-

 

9

253.0

10

-

 

10

253.0

6

-

 

11

253.0

2

-

 

12

253.0

14

-

 

13

253.0

18

-

 

 

Lowest test temperature:

255°C

Test Series 3

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative (-) / positive (+)]

Atmospheric pressure

[hPa]

 

1

260.0

10

+

 

2

270.0

10

+

 

3

265.0

10

+

 

4

260.0

10

-

 

5

260.0

6

+

 

6

255.0

6

-

 

7

255.0

2

-

967

8

255.0

10

-

 

9

255.0

14

-

 

10

255.0

18

-

 

11

258.0

6

-

 

12

258.0

2

-

 

13

258.0

10

+

 

14

256.0

10

-

 

15

256.0

6

-

 

16

256.0

2

-

 

17

256.0

14

-

 

18

256.0

18

-

 

 

Lowest test temperature:

258°C

Summary

 

Parameter

Value

Lowest value of test series 1:

255°C

Lowest value of test series 2:

255°C

Lowest value of test series 3:

258°C

Lowest value of all test series:

255°C

Absolute deviation of the lowest value (1.5%):

3.8°C

 

Auto-ignition temperature:

251°C
Conclusions:
An auto flammability value of 251°C at 967 to 969 hPa was determined for the substance in accordance with a relevant test method and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable.

Description of key information

Auto-ignition temperature: 251°C at 967 to 969 hPa (DIN 14522)

Key value for chemical safety assessment

Additional information

An auto-ignition temperature value of 251°C at 967 to 969 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.