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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:
11 Apr 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
GLP guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
adopted in 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
National Institute of Pharmacy and Nutrition, Budapest, Hungary
Key result
Auto-ignition temperature:
> 400 °C
Atm. press.:
ca. 973 hPa
Remarks on result:
not determinable
Remarks:
No ignition-temperature of LZ 53478 was determined up to 400 °C

Result

Temperature was measured in case of each experiment at the outside and inside of the flask. The temperature distribution was steady outside the flask.

The experiment was carried out at 973 hPa atmospheric pressure.

The details are summarized in Table 1.

Table 1: Determination of auto-ignition temperature of test item

Temperature (flask inside)

External temperature

Ignition

Sample amount

Time-lag

233 °C

235 °C

-

~100 μL

-

300 °C

301 °C

-

~100 μL

-

349 °C

351 °C

-

~100 μL

-

396 °C

399°C

+

~100 μL

0 sec

398 °C

400 °C

-

~250 μL

-

 

- - not ignited

- + ignited

   

No ignition-temperature of LZ 53478 was determined up to 400 °C.

Deviation to the study plan

The study was carried out with the following deviation:

The test item has to be heated to approximately 50 °C instead of 30-40 °C as given in the study plan.

Reason: scientific reason

The deviation has no impact on the integrity of the study. No deviation from the method but only from the study plan.

Description of key information

> 400.0 °C at 973.0 hPa (EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases)))

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
400 °C

Additional information