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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Aug 2018 - Oct 2018
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
Identification: RM1008606
Appearance/Physical state: White powder
Batch: 18-82008-34
Purity: 93.3% (6.7% water)
Expiry date: 15 December 2020
Storage conditions: Room temperature in the dark
Key result
Relative self-ignition temperature:
ca. 228 °C

The test item was a white granular powder. Whilst heating the test item, self-heating of the sample was observed. On completion of the test, the test item was an off-white granular powder.

The test item has been determined to have a relative self-ignition temperature of 228 °C.

Description of key information

The test item has been determined to have a relative self-ignition temperature of 228 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
228 °C

Additional information