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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties


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flammable solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
self-heating substances / mixtures
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
Reason / purpose for cross-reference:
data waiving: supporting information
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08/09/2009 to 02/02/2010
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
according to guideline
EU Method A.10 (Flammability (Solids))
GLP compliance:
Key result
Test procedure:
burning time over 250 mm for metal powders or metal alloys
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period

The test was started by trying to ignite the pile at one end with a gas flame. During heating, the test item glowed. During the ignition period of 5 minutes, the test item was not ignited. The flame immediately extinguished when the flame was removed. No burning or glowing spread over the length of the pile was observed. The test was repeated with the same results at the other end of the pile.

Interpretation of results:
non flammable
Migrated information
In contact with the flame the test item glowed. The glowing immediately extinguished after removal of the burner.
Since no burning or glowing over the length of the pile was observed the test item was classified as “not highly flammable“.

Description of key information

not flammable solid

(EU method A.10)

not pyrophoric

not flammable in contact with water

Key value for chemical safety assessment

non flammable

Additional information

Non flammable solid. Based on chemical structure pyrophoric properties and flammability in contact with water are not to be expected.

Justification for classification or non-classification

The available data on flammability of the test substance do not meet the criteria for classification according to Regulation (EC) 1272/2008 and are therefore conclusive, but not sufficient for classification:

No propagation of burning in a test according to EU Method A.10.

Based on the chemical structure and experience in handling and use, pyrophoricity and flammability on contact with water are not expected.