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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:
2018-11-16
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
Value:
467
Remarks on result:
negative (not further specified)

Two DSC-measurements in closed glass crucibles with the test item showed an endothermal effect in the temperature range of 70-100 °C and an exothermal effect in the temperature range of 370 - 460 °C with a maximum energy release of 467 J/g.

 

Thermal stability (DSC measurements)

Weight
/mg

Final temperature

/°C

Temperature range

l°C

Type of effect

Energy

J/g

12.12

500

70-100
370 - 460

Endothermal
Exothermal

n.r.
467

12.27

500

70-95
370 - 455

Endothermal
Exothermal

n.r.
461

n.r.: not relevant

 

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

Interpretation of results:
GHS criteria not met
Conclusions:
The test item has 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. Therefore the main test on explosive properties was not necessary and it was concluded that test item had no explosive properties.

Description of key information

The substance has no explosive properties.

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 (reference 4.14 -1). 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. Therefore the main test on explosive properties was not necessary and it was concluded that test item had no explosive properties.

Justification for classification or non-classification

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

Based on the chemical structure and taking into account the provisions laid down in Regulation (EC) No 1272/2008,as amended for the tewlfth time in Regulation (EU) No 2019/521, the substance is not considered to be classified for explosive properties.