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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Remarks:
Auto-Ignition Temperature (Liquids and Gases)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental start date: 12 January 2016 Experimental completion date: 25 March 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
The determination was carried out using a procedure* designed to be compatible with Method
A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Deviations:
no
GLP compliance:
yes (incl. certificate)
Key result
Auto-ignition temperature:
ca. 296 °C
Atm. press.:
ca. 100.2 kPa
Remarks on result:
other: The test item has been determined to have an auto-ignition temperature of 296 ± 5 °C.
Remarks:
Atm. press 100.2 to 102.6 kPa

Results of the auto-ignition temperature determination are shown in the following table.

 

Table 2

 

Test temperature(ºC)

Test weight (g)

Ignition delay (s)

 

Observations

200 (clean flask)

0.2

˃300

No ignition.

250 (clean flask)

0.3

˃300

No ignition. Grey fumes were emitted.

300 (clean flask)

0.2

˃300

No ignition. Grey fumes were emitted.

350 (clean flask)

0.3

10

An orange flame. Grey fumes were emitted.

340 (clean flask)

0.3

10

An orange flame. Grey fumes were emitted.

330 (clean flask)

0.2

16

An orange flame. Grey fumes were emitted.

320 (clean flask)

0.2

˃300

No ignition.

322 (clean flask)

0.2

18

An orange flame. Grey fumes were emitted.

 

*Based on, Anon (1987), Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. IEC Publications 79-4,P1-19.

Test temperature(ºC)

Test weight (g)

Ignition delay (s)

 

Observations

320 (clean flask)

0.4

28

An orange flame. Grey fumes were emitted.

318 (clean flask)

0.4

26

An orange flame. Grey fumes were emitted.

316 (clean flask)

0.4

24

An orange flame. Grey fumes were emitted.

314 (clean flask)

0.4

27

An orange flame. Grey fumes were emitted.

312 (clean flask)

0.4

30

An orange flame. Grey fumes were emitted.

310 (clean flask)

0.4

35

An orange flame. Grey fumes were emitted.

308 (clean flask)

0.4

34

An orange flame. Grey fumes were emitted.

306 (clean flask)

0.4

40

An orange flame. Grey fumes were emitted.

304 (clean flask)

0.4

51

An orange flame. Grey fumes were emitted.

302 (clean flask)

0.4

44

An blue flame. Grey fumes were emitted.

300 (clean flask)

0.4

˃300

No ignition. Grey fumes were emitted.

300 (clean flask)

0.6

60

An orange flame. Grey fumes were emitted.

298 (clean flask)

0.6

47

An orange flame. Grey fumes were emitted.

296 (clean flask)

0.6

˃300

No ignition. Grey fumes were emitted.

296 (clean flask)

0.8

65

An orange flame. Grey fumes were emitted.

294 (clean flask)

0.8

˃300

No ignition. Grey fumes were emitted.

294 (clean flask)

1.0

˃300

No ignition. Grey fumes were emitted.

294 (clean flask)

1.2

˃300

No ignition. Grey fumes were emitted.

294 (clean flask)

1.4

˃300

No ignition. Grey fumes were emitted.

294 (clean flask)

1.6

˃300

No ignition. Grey fumes were emitted.

 

Room temperature: 15 to 18 °C

Atmospheric pressure: 100.2 to 102.6 kPa

Conclusions:
The test item has been determined to have an auto-ignition temperature of 296 ± 5 °C.
Executive summary:

Auto-Ignition Temperature (Liquids and Gases). 296 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Description of key information

Auto-Ignition Temperature (Liquids and Gases). 296 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
296 °C

Additional information