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Diss Factsheets

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19. - 20.07.2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
no
Key result
Parameter:
other: heat of decomposition [J/g]
Value:
465
Remarks on result:
negative (not further specified)

Thermal stability


Two DSC measurements in closed glass crucibles with the test item showed an endothermal effect in the temperature range of 100 - 135 °C and an exothermal effect in the temperature range of 230 - 410 °C with a maximum overall energy release of 465 J/g.


 


Explosive properties


The heat of decomposition was below 500 J/g. Therefore, the main test on explosive properties was not necessary.


 


Table 1: Thermal stability (DSC measurements)








































Ident-No.



Weight / mg



Final temperature / °C



Temperature range / °C



Type of effect



Energy / J/g



36395



9.91



500



105 - 135



Endothermal



n.r.



230 - 410



Exothermal



389



36398



10.83



500



100 - 130



Endothermal



n.r.



230 - 410



Exothermal



465



n.r. = not relevant

Interpretation of results:
GHS criteria not met
Conclusions:
The test item had no explosive properties.
Executive summary:

A study was conducted according to Regulation (EC) No 440/2008 method A.14 to determine the explosive properties of the test item. A screening test on thermal stability using differential scanning calorimetry (DSC) under nitrogen was performed. The test item and the reference were heated up from ambient to the final temperature at a constant heating rate (3 K/min) in a defined atmosphere (nitrogen). Closed crucibles were used as containers for the test item and the reference. The quantity of heat absorbed or released was measured and recorded. The heat of decomposition was below 500 J/g (maximum overall energy release of 465 J/g). Therefore, the main test on explosive properties was not necessary. The test item had no explosive properties.

Description of key information

The test item had no explosive properties (reference 4.14-1).

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

A study was conducted according to Regulation (EC) No 440/2008 method A.14 to determine the explosive properties of the test item. A screening test on thermal stability using differential scanning calorimetry (DSC) under nitrogen was performed. The test item and the reference were heated up from ambient to the final temperature at a constant heating rate (3 K/min) in a defined atmosphere (nitrogen). Closed crucibles were used as containers for the test item and the reference. The quantity of heat absorbed or released was measured and recorded. The heat of decomposition was below 500 J/g (maximum overall energy release of 465 J/g). Therefore, the main test on explosive properties was not necessary. The test item had no explosive properties (reference 4.14-1).

Justification for classification or non-classification

Classification, Labelling, and Packaging Regulation (EC) No 1272/2008


Based on the structure of the molecule and taking into account the provisions laid down in Regulation (EC) No 1272/2008 (CLP), as amended for the fourteenth time in Regulation (EU) 2020/217, the test item does not have to be classified with respect to explosiveness.