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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-03-17 to 2010-03-25
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 1
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to
Guideline:
other: IEC 79-4: "Electrical Apparatus for Explosive Atmospheres, Part 4, Method of Test for Ignition Temperature"
Deviations:
no
GLP compliance:
yes
Test material information:
Composition 1
Auto-ignition temperature:
430 °C
Atm. press.:
101 kPa
Remarks on result:
other: measurement conducted at atmospheric pressure

All relevant details on results are presented in the sections given above.

Conclusions:
The self-ignition temperature of the test substance was determined at 430±5 °C.
Executive summary:

The auto flammability property (self-ignition temperature) of the test substance was investigated using EU method A15 "Auto-ignition temperature (liquids and gases)". Using this method, the self-ignition temperature of the test subtance was determined at 430±5 °C.

Description of key information

The auto flammability (i.e., the self-ignition temperature) of Isopentyl p-methoxycinnamate was 430±5 °C.  

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
430 °C

Additional information

Auto flammability (i.e., the self-ignition temperature) of the test substance investigated according to EU method A15 was to be 430°C at atmospheric pressure.

A 200 mL Erlenmeyer flask of borosilicate glass is enclosed within a cylindrical furnace capable of maintaining the surfaces of the flask at a uniform, constant temperature. The surface temperatures are monitored by means of thermocouples in contact with the base, side and neck of the flask. A known quantity of the test substance was added to the flask, the interior of which was then observed for signs of ignition of the vapours. The delay time from the addition of the test substance to ignition was recorded.

The test was carried out at different temperatures, using a range of sample quantities, in order to establish the lowest temperature at which self-ignition occurs for any sample quantity.

The final confirmatory tests to establish the ignition/no ignition temperatures were made at 5°C increments, using maximum observation periods of 5 min. Each series of confirmatory tests, covering a range of sample quantities, was carried out 5 times to demonstrate a repeatability of ±5°C.