Registration Dossier
Registration Dossier
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EC number: 618-440-2 | CAS number: 900796-46-5
Explosiveness
Administrative data
Link to relevant study record(s)
- Endpoint:
- explosive properties of explosives
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 23.06.-09.08.2017
- 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:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 113: Screening test for thermal stability and stability in air
- Deviations:
- no
- GLP compliance:
- no
- Key result
- Parameter:
- sensitiveness to impact: impact energy (J)
- Remarks on result:
- not sensitive to impact using an impact energy of 40 J
- Key result
- Parameter:
- sensitiveness to friction: friction load (N)
- Remarks on result:
- not sensitive to friction using a friction load of 360 N
- Key result
- Parameter:
- thermal sensitivity - Koenen test: limiting diameter (mm)
- Number of fragments:
- 0
- Remarks on result:
- not thermal sensitive if heated under defined confinement
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The test item was found to have no explosive properties.
- Executive summary:
A study according to Regulation (EC) 440/2008 Method A.14 was performed to determine the explosive properties of the test item. The test item was tested for mechanical sensitivity (shock), mechanical sensitivity (friction) and thermal sensitivity. For the mechanical sensitivity (shock) the test item was subjected to the shock of a falling hammer on a steel anvil from a specified height with a specified weight and for the mechanical sensitivity (friction) the test item was subjected to friction between standard surfaces under specified conditions of load and relative motion. For the thermal sensitivity the test item was heated in a steel tube, with various degrees of confinement being provided by nozzle-plates with different diameters (2 mm and 6 mm) of orifice, to determine whether the substance is liable to explode under conditions of thermal stress and confinement. The test item was found to have no explosive properties.
Reference
Thermal stability
One DSC-measurement in a closed glass crucible with the test item showed an endothermal effect in the temperature range of 140 - 170 °C and several exothermal effects in the temperature range of 170 - 270 °C, 300 - 415 °C and 425 - 460 °C with an overall energy release of 644 J/g.
The heat of decomposition was above 500 J/g. Therefore, the main test on explosive properties had to be performed.
Mechanical sensitivity (friction):
The test item was sieved (mesh size 0.5 mm) before the measurement. No explosion occurred within 6 tests using a pinload of 360 N, only a discoloration of the test item was observed in all tests.
Mechanical sensitivity (shock):
The test item was sieved (mesh size 0.5 mm) before the measurement. No explosion within 6 tests using a mass of 10 kg falling from a height of 0.4 m was observed.
Thermal sensitivity:
Three tests were performed with a circular nozzle plate with a hole of 2 mm diameter. No explosion was observed.
Description of key information
The test item was found to have no explosive properties.
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
A study according to Regulation (EC) 440/2008 Method A.14 was performed to determine the explosive properties of the test item. The test item was tested for mechanical sensitivity (shock), mechanical sensitivity (friction) and thermal sensitivity. For the mechanical sensitivity (shock) the test item was subjected to the shock of a falling hammer on a steel anvil from a specified height with a specified weight and for the mechanical sensitivity (friction) the test item was subjected to friction between standard surfaces under specified conditions of load and relative motion. For the thermal sensitivity the test item was heated in a steel tube, with various degrees of confinement being provided by nozzle-plates with different diameters (2 mm and 6 mm) of orifice, to determine whether the substance is liable to explode under conditions of thermal stress and confinement. The test item was found to have no explosive properties.
Justification for classification or non-classification
Based on the chemical structure and taking into account the provisions laid down in Regulation (EC) No 1272/2008, the substance is not considered to be classified for explosive properties.
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