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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:
30 October 2015-08 December 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
GLP-compliant study in accordance with EC A.15.
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
(2008)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: DIN 51794: "Determining the Ignition Temperature of Petroleum Products" (2003)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: IEC 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature" (1975)
Deviations:
no
GLP compliance:
yes
Auto-ignition temperature:
420 °C
Atm. press.:
1 026.6 - 1 029.6 hPa
Remarks on result:
other: The reported auto-ignition temperature is the lowest auto-ignition temperature measured for the substance (see table below), rounded down to the nearest multiple of 5°C.

Table: Results of the auto-ignition temperature measurements

 

Test

Volume
[μL]

Temperature (°C)

Auto-ignition
temperature
[°C]

Ignition delay

[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

 

 

start

end

 

 

 

 

1

30

439

433

435

10

Orange/yellow

432

 

50

440

430

432

9

Orange/yellow

 

 

70

443

431

433

7

Orange/yellow

 

 

150

440

434

436

11

Orange/yellow

 

 

 

 

 

 

 

 

 

2

40

441

435

437

9

Orange/yellow

430

 

100

442

428

430

8

Orange

 

 

160

441

435

437

10

Orange

 

 

 

 

 

 

 

 

 

3

45

439

431

433

11

Orange

424

 

90

432

422

424

12

Orange

 

 

140

437

431

433

8

Orange

 

 

 

 

 

 

 

 

 

 

 

Conclusions:
In a GLP-compliant study in accordance with EC A.15, DIN 51794 and IEC 79-4, the auto-ignition temperature of the substance at 1027 – 1030 hPa has been determined as 420°C.

Description of key information

Auto-ignition temperature at 1027 - 1030 hPa: 420°C (EC A.15, DIN 51794 and IEC 79-4)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
420 °C

Additional information