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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

Diss Factsheets

Physical & Chemical properties


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Administrative data

Link to relevant study record(s)

Description of key information

Not explosive (based on chemical structure)

Key value for chemical safety assessment

non explosive

Additional information

The substance does not contain any functional groups identified in the UN recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, Appendix 6, Table A6.1, as being associated with explosive properties.

Ethers, and in particular diethyl ether, are known to form peroxides on exposure to air and light (Peroxides and Peroxide forming Compounds, Clark, D.E., Chemical Health and Safety, Sept/Oct 2001, 12 -22).

Justification for classification or non-classification

The substance is not considered explosive according to the criteria given in test method A14, Explosive Properties, in Regulation (EC) No. 440/2008, as the substance does not contain functional groups associated with explosive properties. The available data are considered reliable and suitable for classification under 67/548/EEC, as amended for the 28th time in Directive 2001/59/EC, Annex VI, section 2, 2.2.1. In addition, according to Annex VI, 2.2.6, based on experience in handling and the chemical structure, the substance is classified as being R19 May form explosive peroxides.

According to the addition criteria for classification, of Regulation (EC) No. 1272/2008, Annex I, part 2, if the molecule does not contain functional groups associated with explosive properties, the substance shall not be classified. As a result, given the lack of functional groups indicating explosive properties, this substance does not meet the criteria for classification under Regulation (EC) No. 1272/2008.