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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:
2015-09-29 to 2015-10-02
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)
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:
207 °C
Atm. press.:
ca. 972 - ca. 977 hPa

Preliminary Test

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

202.8

5

-

979

2

239.8

5

-

 

3

250.0

5

+

 

 

Lowest test temperature:

254.0°C

 

 

Test Series 1

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

249.0

5

+

 

2

244.0

5

-

 

3

244.0

1

+

 

4

239.0

1

+

 

5

234.0

1

+

 

6

229.0

1

-

 

7

229.0

5

-

 

8

229.0

9

-

 

9

229.0

13

-

 

10

229.0

17

+

 

11

224.0

17

+

977

12

219.0

17

+

 

13

214.0

17

+

 

14

209.0

17

-

 

15

209.0

13

-

 

16

209.0

9

-

 

17

209.0

5

-

 

18

209.0

1

-

 

19

212.0

17

+

 

20

210.0

17

-

 

21

210.0

13

-

 

22

210.0

9

-

 

23

210.0

5

-

 

24

210.0

1

-

 

 

Lowest test temperature:

212°C

 


 

Test Series 2

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

254.0

17

+

 

2

249.0

17

+

 

3

244.0

17

+

 

4

239.0

17

+

 

5

234.0

17

+

 

6

229.0

17

+

 

7

224.0

17

+

974

8

219.0

17

+

 

9

214.0

17

+

 

10

209.0

17

-

 

11

209.0

13

-

 

12

209.0

9

-

 

13

209.0

5

-

 

14

209.0

1

-

 

15

212.0

17

+

 

16

210.0

17

+

 

17

208.0

17

-

 

18

208.0

13

-

 

19

208.0

9

-

 

20

208.0

5

-

 

21

208.0

1

-

 

 

Lowest test temperature:

210°C

 


 

Test Series 3

 

No.

 

 

Test temperature

[°C]

Number of

sample

[drops]

 

Result concerning

ignition

[negative(-) / positive(+)]

Atmospheric pressure

[hPa]

 

1

254.0

17

+

 

2

249.0

17

+

 

3

244.0

17

+

 

4

239.0

17

+

 

5

234.0

17

+

 

6

229.0

17

+

 

7

224.0

17

+

 

8

219.0

17

+

 

9

214.0

17

+

 

10

209.0

17

-

972

11

209.0

13

-

 

12

209.0

9

-

 

13

209.0

5

-

 

14

209.0

13

-

 

15

212.0

13

-

 

16

212.0

9

-

 

17

212.0

5

-

 

18

212.0

1

-

 

19

212.0

17

-

 

 

Lowest test temperature:

214°C

 

Summary

 

Parameter

Value

Lowest value of test series 1:

212°C

Lowest value of test series 2:

210°C

Lowest value of test series 3:

214°C

Lowest value of all test series:

210°C

Absolute deviation of the lowest value (1.5%):

3.2°C

 

Auto-ignition temperature:

207°C

 

 

Conclusions:
An auto flammability value of 207°C at 972 to 977 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: 207°C at 972 to 977 hPa (DIN 14522)

Key value for chemical safety assessment

Additional information

An auto-ignition temperature value of 207°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.

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