Registration Dossier

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: liquid

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
ca. 364 °C
Atm. press.:
97.8 kPa
Remarks on result:
other:

Any other information on results incl. tables

Reference item

The test performed on the reference item is presented in table below.

 

Identification

n-heptane

Last validation of the test

28 July 2011

Periodicity of validation (in months)

12

Results

234 ± 4 °C

Theoretical value

231 ± 4.6 °C

Conformity

Yes

 

Considering the results obtained, the test was considered as valid.

Preliminary test

The preliminary test results are given in the table below. The volume of test item injected in the oven was 70 µL.

 

Self-ignition temperature(°C)

Self-ignition

Maximal temperature of the air recorded in the center of the test flask after self-ignition(°C)

Atmospheric pressure
(kPa)

Relative humidity
(%)

Assay No.

Observed

Corrected

Y / N

Lag(s)

Observed

Corrected

1

99

99

N

/

/

/

98.2

54

2

148

148

N

/

/

/

98.1

58

3

201

201

N

/

/

/

98.2

57

4

251

251

N

/

/

/

98.2

58

5

300

300

N

/

/

/

98.2

58

6

349

349

Y

6

369

369

98.2

55

7

328

328

N

/

/

/

98.1

51

8

335

335

N

/

/

/

98.1

49

9

340

340

N

/

/

/

98.1

50

10

345

345

N

/

/

/

98.1

51

 

The self ignition temperature, determined during the preliminary test, was between 350 and 370 °C (corrected).

Main test

The volume of test item injected in the oven was 70 µL. Only the self ignition runs for each assay are summarized in the table below.

 

 

Self-ignition temperature (°C)

Self-ignition

Maximal temperature of the air recorded in the center of the test flask after self-ignition (°C)

Atmospheric pressure
(kPa)

Relative humidity
(%)

Assay No.

Observed

Corrected

Lag (s)

Observed

Corrected

1

360

360

2

381

381

97.9

56

2

364

364

6

384

384

97.8

58

4

366

366

6

382

382

97.6

65

5

366

366

6

384

384

97.5

62

6

366

366

3

378

378

97.4

56

 

The mean self-ignition temperature of the test item was: 364 °C ± 6 °C (corrected temperature).

Applicant's summary and conclusion

Conclusions:
The mean self-ignition temperature of the test item was: 364 °C ± 6 °C (corrected temperature).
Executive summary:

The objective of the test is to determine the minimum temperature of the inner surface of an enclosure that results in ignition of a liquid injected into the enclosure.

The determination of the self-ignition temperature was performed according to the Regulation (EC) n°440/2008, A.13: “SELF-IGNITION TEMPERATURE FOR LIQUIDS”, May 2008.

The mean self-ignition temperature of the test item was: 364 °C ± 6 °C (corrected temperature).