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Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March 10, 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))
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: DIN 51794, Testing of mineral oil hydrocarbons – Determination of ignition temperature, 2003
Deviations:
no
GLP compliance:
no
Remarks:
Internal management system
Auto-ignition temperature:
335 °C
Atm. press.:
1 027 mBar
Remarks on result:
other:

Calibration

The estimated accuracy of the method is ± 1.5 °C.

The estimated accuracy of the manometer is ± 1 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

300

 

 

-

 

 

 

1026

320

 

 

-

 

 

340

 

 

-

 

 

360

 

 

+

 

 

 

Main determination

 

Temperature

[°C]

# droplets of 25 μL

Atmospheric

pressure

[mBar]

2

4

6

8

10

1sttest series

355

 

 

+ (10)

 

 

 

 

1026

351

 

 

+ (5)

 

 

344

 

 

+ (5)

 

 

340

 

 

+ (4)

 

 

335

-

-

-

-

-

2ndtest series

345

 

 

+ (6)

 

 

 

1027

341

 

 

+ (6)

 

 

  

339

           
 335  -  -  
 339     +(6)       
 

3rdtest series

         
  

340

      

+ (9)

      

1027

  

335

 -  -  -  -  
  

338

      

+ (9)

     
Conclusions:
The auto-ignition temperature of this substance is 335 °C.

Description of key information

The auto-ignition temperature of this substance is 335 °C (EU Method A.15).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
335 °C

Additional information