Registration Dossier
Registration Dossier
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EC number: 200-849-9 | CAS number: 75-21-8
Stability: thermal, sunlight, metals
Administrative data
Link to relevant study record(s)
Description of key information
Gaseous ethylene oxide may decompose violently when coming in contact with an ignition source.
Additional information
Gaseous ethylene oxide starts to decompose at ca. 400 °C to form mainly CO, CH4, as well as C2H6, C2H4, H2, C, and
CH3CHO. The first step in the decomposition is presumed to be the isomerization of ethylene oxide to acetaldehyde [30]. Once the decomposition reaction has been initiated (ignition source), it can be propagated through the gas phase and, under certain conditions, may be explosive.
Justification for classification or non-classification
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
