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Physical & Chemical properties

Auto flammability

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Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 - 22 Jan 2016
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study; method appears not fully applicable for the sample
according to guideline
other: UN Test Method N.4
GLP compliance:
Auto-ignition temperature:
> 143 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:

The sample decomposes and discolors to a black residue; probably a melting of subcomponents. During the decomposition a geometrical change (the volume decreases) is visible. Due to this change the thermo element is not located in the centre of the test item during the whole measuring period of 24 h. Therefore the perfect temperature recording was not possible. Due to melting phenomena at temperatures < 160 °C (cf. study report no. 15 -18080, Melting Point - temperatures < 50 °C), the substance is considered not self-heating and not self-ignitable.

Description of key information

not self-heating

Key value for chemical safety assessment

Additional information

In a test according to UN Test Method N.4, the perfect recording of the temperature of the test item was not possible. The sample melted and/or decomposed at temperatures < 160 °C. Due to melting phenomena at temperature < 160 °C the substance is considered not self-heating and not self-ignitable.