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Auto flammability

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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2002
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well-documented study report which mets basic scientific principles.
Principles of method if other than guideline:
Screening test according to Grewer and according to company guideline, similar to VDI 2263 sheet 1
Relative self-ignition temperature:
260 °C
Remarks on result:
other: Weak self-heating at 260 °C due to thermal decomposition

Weak self-heating at 260 °C due to thermal decomposition was observed in the Grewer oven screening.

The hot storage test showed weak self-heating of 5 °C (Tmax: 205°C) within 48 min after temperature equalisation (which took 3 hours). Partial decomposition was observed (dark discoloration).

Conclusions:
The test substance shows weak self-heating in the Grewer oven at 260 °C and in the hot storage test at 200 °C. No classification as a self-heating substance class 4.2 of the transport regulations required.
Executive summary:

Self-ignition of the test substance was determined by Grewer oven screening and a hot storage test.. The test substance shows weak self-heating in the Grewer oven at 260 °C and in the hot storage test at 200 °C.

Description of key information

Self-ignition of the test substance was determined by Grewer oven screening and a hot storage test.. The test substance shows weak self-heating in the Grewer oven at 260 °C and in the hot storage test at 200 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
200 °C

Additional information

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