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Physical & Chemical properties

Auto flammability

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Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04 June 2018 - 08 June 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Key result
Auto-ignition temperature:
230 °C
Atm. press.:
>= 1 002 - <= 1 015 hPa

Table 1: Results of determination of auto-ignition temperature

Stage of determination

Auto-ignition temperature[°C]

V
[quantity of drops]

Corresponding

delay time [s]

Ignition temperatureposition for main determination (T2)

250

5

26

The lowest value from first series of tests (T4)

236

9

63

The lowest value from main determination (T5)

235

8

68

The lowest value from first repeating (T6)

233

9

42

The lowest experimental value ofignition temperature

233

9

42

Auto-ignition temperatureaccording to DIN 51794:2003-05

230

-

-

Comments: atmospheric pressure:1002 - 1015 hPa.

Conclusions:
The auto flammability of the test item is 230ºC according to EU method A.15 criteria.


Executive summary:

The determination of the auto flammability of the test item was performed according to EU Method A.15 (GLP study). About 200 mL of sample are introduce into an opened Erlenmeyer’s flask. Series of ignition trials were performed by changing the temperature of the chamber walls and amount of a sample, and searching for the lowest temperature in which an ignition appears. The auto flammability of the test item was determined to be 230ºC with atmospheric pressure ranging from 1002 to 1015 hPa.


Endpoint:
relative self-ignition temperature (solids)
Type of information:
other: data from peer reviewed handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
No data on test method
GLP compliance:
not specified
Relative self-ignition temperature:
265 °C
Conclusions:
The self-ignition temperature is ca. 265 ºC.
Executive summary:

According to peer review handbook, the self-ignition temperature is ca. 265 ºC.

Description of key information

Key study. Test method according to EU Method A.15, GLP study. The auto flammability of the test item is 230ºC (1002 to 1015 hPa).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
230 °C

Additional information

Key study: The determination of the auto flammability of the test item was performed according to EU Method A.15 (GLP study). About 200 mLof sampleare introduce into an opened Erlenmeyer’s flask. Series of ignition trials were performed by changing the temperature of the chamber walls and amount of a sample, and searching for the lowest temperature in which an ignition appears. The auto flammability of the test item was determined to be 230ºC with atmospheric pressure ranging from 1002 to 1015 hPa.

Supporting study: Individual auto-flammability of one main component of the test substance is available from a peer review handbook. The self-ignition temperature of camphene is ca. 265 ºC.