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Physical & Chemical properties


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explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22 April 2010-17 May 2010
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
UN Manual of Tests and Criteria: Part I: Classification procedures, test methods and criteria relating to explosives of Class 1
Version / remarks:
according to guideline
other: United Nations (UN), UN no. ST/SG/AC.10/11/Rev.4: Recommendations on the Transport of Dangerous Goods, Appendix 6: “Screening Procedures”, 2003.
GLP compliance:
yes (incl. QA statement)
Key result
other: Explosive (not specified)
Remarks on result:
negative (not further specified)

During the first as well as during the second experiment, no exothermic peak below 500°C was observed. After the experiments, the sample container showed no changes and the residue appeared to be unchanged.

Interpretation of results:
GHS criteria not met
non explosive
From the results of a DSC screening test in accordance with UN test guidelines, magnesium nitrate hexahydrate should be considered to present no danger of explosion.

Description of key information

Based on the absence of chemically instable or highly energetic groups associated with explosive properties and the result of a DSC experiment (no exothermic reactions above 500 J/g with a temperature onset lower than 500°C)  and because magnesium nitrate is not classified for transport as an explosive substance, magnesium nitrate (anhydrous and hexahydrate) is considered not explosive.

Key value for chemical safety assessment

non explosive

Additional information

Justification for classification or non-classification

Based on the available information, magnesium nitrate (anhydrous and hexahydrate) does not need to be classified for the hazard 'Explosives' according to CLP Regulation (EC) No 1272/2008.