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Physical & Chemical properties

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relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 28 June 2005 to 4 October 2005
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
according to guideline
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes (incl. QA statement)
Key result
Relative self-ignition temperature:
160 °C

The test is positive. The temperature of the oven, at which the test item reached 400 °C by self-heating is relevant for evaluation of self-ignition temperature.

The self-ignition temperature of iron oxide isostearate is 160°C under the conditions of the test.
Executive summary:

The determination of the relative self-ignition temperature of iron oxide isostearate was performed according to EU method A16 and GLP.

The self-ignition temperature of the test item is 160°C under the conditions of the test.

Description of key information

The self-ignition temperature of iron oxide isostearate is 160°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
160 °C

Additional information

A GLP experimental study, according to EU Method A.16 and scored as Klimisch 1, is selected as a key study, giving a self-ignition temperature of 160°C.