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EC number: 290-998-6 | CAS number: 90295-08-2
FALLING HAMMER test
No detonations with cup were recorded in none of the 10 trials performed.
Impact sensitivity was negative.
POWER EXPLOSION test
Assessment at 30 g/m3: 0
Assessment at 100 g/m3: 0
Assessment at 200 g/m3: 0
Assessment at 500 g/m3: 0
Assessment at 1000 g/m3: 0 Only smut observation: none Overall powder explosiveness: negative
The explosive potential of the test substance was examined in the falling hammer test and in the powder explosiveness tests. In the first case, 10 trials were performed with the cap. In the second one, sample was shieved at 63 µm and the teast substance was assayed at the following concentrations: 30, 100, 200, 500 and 1000 g/m3.
No detonation was recorded in none of the replicates and the test substance resulted as not sensitive to impact .
No reactions were recorded at none of the powder concentrations tested.
Discussion and conclusion
The test item resulted as no sensitive to impact and the powder explosion assessment failed to show any explosiveness potential.
Based on falling hammer test, powder explosiveness tests and DSC analysis.
According to the CLP Regulation (EC 1272/2008), 220.127.116.11. Screening procedure section, the screening procedure is aimed at identifying the presence of such reactive groups and the potential for rapid energy release. If the screening procedure identifies the substance or mixture to be a potential explosive, the acceptance procedure (section 10.3 of the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria) has to be performed.
Screening procedure failed to evidence any reason for concern, on the basis of DSC analysis outcomes: an endothermic peak between 340 and 380 °C (7.67 J//g), caused by the thermal decomposition of the test substance; no further reaction has been recorded up to 600 °C.
Furthermore, the substance sodium salt resulted as not sensitive to impact and no reactions were recorded during the powder explosiveness tests.
In conclusion, the substance can be considered non explosive, according to the CLP Regulation (EC 1272/2008).
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