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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Administrative data

relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10 February 2009 - 08 May 2009
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to EC guidelines and according to GLP principles.

Data source

Reference Type:
study report
Report date:

Materials and methods

Test guideline
according to guideline
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Details on test material:
- Name of test material (as cited in study report): Custom Red #2
- Substance type: violet powder
- Physical state: solid
- Purity test date: no data
- Lot/batch No.: C50APR0805D
- Expiration date of the lot/batch: 08 January 2011
- Stability under storage conditions: stable
- Storage condition of test material: at room temperature in the dark

Results and discussion

Any other information on results incl. tables

No endothermic or exothermic effect of the test substance between 17°C and 81°C (melting temperature of the test substance) was observed. It demonstrated that the test substance is not self-ignitable in the temperature range of 17°C - 81°C.


After the experiment, the test substance had turned into acharred residue and was collected in a container that was placed below the cube. It indicated that the test substance had been molten and decomposed and/or reacted during the experiment.

Applicant's summary and conclusion

The self-ignition temperature of the test substance was determined using a temperature programmed laboratory oven, a stainless steel wire mesh cube, NiCr/NiAl thermocouples and a temperature recording device. Based on the results obtained the test substance is considered ‘not self-ignitable’ in the temperature range of 17°C - 81°C.