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Reference
Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 Jul - 09 Jul 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Version / remarks:
adopted in 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: OECD 113 Screening test for thermal stability and stability in air
GLP compliance:
no
Specific details on test material used for the study:
Storage conditions: ambient temperature (10 – 30 °C)
Parameter:
other: Thermal stability via DSC measurement
Remarks on result:
other: The heat of decomposition was < 500 J/g. The main test on explosive properties was not necessary.

Results
Thermal Stability
Two DSC-measurements showed an endothermal effect in the temperature range of 200 – 230 °C and an exothermal effect in the range of 240 – 375 °C with a maximum enthalpy of -141 J/g. No further endothermal nor exothermal effects were seen up to the final test temperature of 500 °C.

Table 1 – Thermal Stability (DSC measurements)

Weight [mg]

Final temperature [°C]

Temperature range [°C]

Type of effect

Enthalpy [J/g]

12.63

500

200 – 230
250 – 360

Endothermal
exothermal

n.r.
-82

10.55

200 – 225
240 – 375

Endothermal
exothermal

n.r.
-141

n.r.: not relevant

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

Description of key information

Not explosive (EU Method A.14., Thermal Stability)

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Heat of decomposition determined by Differential Scanning Calorimetry was below 500 J/g. Main test on explosive properties not necessary.

Justification for classification or non-classification

The available data on explosive properties 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: The exothermic decomposition energy is less than 500 J/g.