Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

explosive properties of explosives
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance contains chemical groups associated with explosive properties which include oxygen, but the calculated oxygen balance is less than - 200

Data source

Materials and methods

Test guideline
according to guideline
other: Oxygen Balance Calculator

Test material

Constituent 1
Test material form:
solid: particulate/powder

Results and discussion

Small-scale preliminary tests
Remarks on result:
not measured/tested
Results of test series for explosives
Remarks on result:
not measured/tested

Any other information on results incl. tables

The main constituents of the substance contain an azo group, which is a known structural alert for explosivity. In addition, the oxygen balance value of each constituent is a greater positive than -200 (constituent 1: -119.2; constituent 2: -126.0; constituent 3: -122.4; constituent 4: -126.0; constituent 5: -122.7). The DSC evaluation of the melting temperature of black 407 states that "the curve drifts into the exothermic region" and that "there are indications of decomposition above 205° C". This indicates that exothermic decomposition occurs below 500° C, which is part of the criteria for judging the substance as non-explosive. In addition, the substance is not highly flammable (EU method A.10) and it is not auto-flammable up to 400° C (EU Method A.16). Based on these data, the substance is unlikely to be explosive.

Applicant's summary and conclusion

Interpretation of results:
non explosive
Migrated information
In conclusion, on the basis of structure and oxygen balance, the test item is considered to have the potential to be explosive, however the substance has an onset of exothermic decomposition below 500 °C and it is not highly flammable or auto-flammable up to 400 °C indicating that the substance is unlikely to be explosive.