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Auto flammability

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Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 Jun - 5 Sep 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to guideline
Guideline:
other: Deutsches Institut für Normung (DIN), DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003.
Qualifier:
according to guideline
Guideline:
other: International Electrotechnical Commission (IEC), IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature", 1975.
GLP compliance:
yes (incl. QA statement)
Remarks:
Ministerie van Volksgezondheid, Welzijn en Sport, Den Haag
Key result
Auto-ignition temperature:
395 °C
Atm. press.:
1 021.1 - 1 022.1 hPa
Remarks on result:
other:

Preliminary test:

The estimated auto-ignition temperature was 405 °C.

Main study:

Test

Atmospheric pressure [hPa]

Volume [µL]

Temperature [°C]

Auto-ignition temperature [°C]

Ignition delay [s]

Flame colour

Minimum auto-ignition temperature [°C]

Start

End

Test 1

1022.1

70

411

403

405

68

blue

398

100

400

396

398

91

blue

150

416

410

412

34

blue

Test 2

1021.1

60

417

409

411

48

blue

399

90

405

397

399

88

blue

160

421

409

411

35

blue

Test 3

1021.1

50

417

411

413

65

blue

398

110

410

396

398

85

blue

175

419

411

413

34

blue

The obtained temperature of 398 °C was rounded down to the nearest multiple of 5 °C giving an auto-ignition temperature of the test substance of 395°C.

Description of key information

395 °C at 1021.1-1022.1 Pa

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
395 °C

Additional information

The self-ignition temperature of the substance was determined according to EU method A.15 and guidelines DIN 51794 and IEC 79-4.