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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05 Mar 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
L 142, May 31, 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
Deviations:
no
GLP compliance:
no
Remarks:
Internal management system
Auto-ignition temperature:
325 °C
Atm. press.:
1 025 mBar

Auto-ignition temperature test substance

The tables below list the results of the pre-determination and the different test series. A negative sign (-) means no ignition and a positive sign (+) means ignition. In case of ignition the time in seconds between injection and ignition is mentioned between brackets. The bold temperature values in the main determination table are the minimum ignition temperatures of the different test series.

 

Pre-determination

 

Temperature

[°C]

# droplets of 25 μL

Atmospheric

pressure

[mBar]

2

4

6

8

10

200

 

 

-

 

 

 

 

 

1021

220

 

 

-

 

 

240

 

 

-

 

 

260

 

 

-

 

 

280

 

 

-

 

 

300

 

 

-

 

 

320

 

 

-

 

 

340

 

 

+

 

 

 

Main determination

 

Temperature

[°C]

# droplets of 25 μL

Atmospheric

pressure

[mBar]

2

4

6

8

10

1sttest series

335

 

 

+

 

 

 

 

1021

330

 

 

+ (7)

 

 

325

-

-

-

-

-

327

 

 

+ (7)

 

 

2ndtest series

325

-

-

-

-

-

1025

327

 

 

+ (6)

 

 

3rdtest series

325

 

 

-

 

+ (8)

1025

323

-

-

-

-

-

 

  Minimum ignition temperatures of the test series:

  • series 1: 327 °C
  • series 2: 327 °C
  • series 3: 325 °C

This means that the auto-ignition temperature of the test substance is 325 °C.

Conclusions:
According to this report:The auto-ignition temperature of this substance is 325 °C.

Description of key information

The auto-ignition temperature of this substance is 325 °C.

Key value for chemical safety assessment

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

Additional information