Registration Dossier

Physical & Chemical properties

Explosiveness

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Reference
Endpoint:
explosive properties of explosives
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties

Description of key information

Zinc dipropionate has no explosive properties.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

According to regulation (EC) No. 440/2008, A. 14 the test on explosive properties “need not be performed when available thermodynamic information (e.g. heat of formation, heat of decomposition) and/or absence of certain reactive groups in the structural formula establishes beyond reasonable doubt that the substance is incapable of rapid decomposition with evolution of gases or release of heat (i.e. the material does not present any risk of explosion)”. Zinc dipropionate does not contain any chemical groups associated with explosive properties and the heat of decomposition is negative (see section 4.2 Melting point DCS curve). Therefore, both criteria are met and the test does not need to be performed.

Justification for classification or non-classification

Zinc dipropionate does not contain any chemical groups associated with explosive properties and the heat of decomposition is negative.

According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) of the United Nations, zinc dipropionate does not have to be classified as explosive. According to the criteria of REGULATION (EC) No 1272/2008 and its subsequent adaptations, zinc dipropionate does not have to be classified and has no obligatory labelling requirement for explosivity.