Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 945-520-7 | CAS number: -
Explosiveness
Administrative data
Link to relevant study record(s)
Description of key information
Waiving
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
The study does not need to be conducted because the substance is an organic substance or mixture containing chemical groups associated with explosive properties, but the exothermic decomposition energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C. The onset reported on DSC is 253°C, the enthalpy 278.3787 J/g. The substance can be considered non explosive and the test waived, based on the evaluation reported in the statement attached (Chemical groups, oxygen balance, thermal behaviour, handling and transport experience).
Justification for classification or non-classification
An explosive substance or mixture is a solid or liquid substance or mixture of substances which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. For explosives of divisions 1.1 to 1.6, a core set of tests that need to be performed, but they can be waived. According to the CLP Regulation 1272/2008, 2.1.4.2 section, a screening procedures aimed at identifying the presence of such reactive groups and the potential for rapid energy release. A substance shall not be classified as explosive if (2.1.4.3.section of CLP):
(a) There are no chemical groups associated with explosive properties present in the molecule, or
(b) The substance contains chemical groups associated with explosive properties which include oxygen and the calculated oxygen balance is less than - 200;
(c) When the organic substance or a homogenous mixture of organic substances contains chemical groups associated with explosive properties but the exothermic decomposition energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C. The exothermic decomposition energy can be determined using a suitable calorimetric technique; or
(d) For mixtures of inorganic oxidising substances with organic material(s), the concentration of the inorganic oxidising substance is:
- less than 15% by mass, if the oxidising substance is assigned to Categories 1 or 2;
- less than 30 % by mass, if the oxidising substance is assigned to Category 3.
The substance can be considered non explosive based on the evaluation reported in the the statement attached (Chemical groups, oxygen balance, thermal behaviour, handling and transport experience).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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