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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

C20-22 alpha olefin is not considered to be a flammable solid on the basis of the three studies conducted

Key value for chemical safety assessment

non flammable

Additional information

Webb (2001) tested a substance composed of C20-22 alpha olefins, it is therefore considered appropriate to read across from that test substance to icos-1-ene. The flammability was determined following three standard methods conducted to GLP and is therefore considered suitable as a key study for this endpoint.

Justification for classification or non-classification

The flammability of solids is determined on basis of whether they can be easily ignited by brief contact with an ignition source and if the flame spreads rapidly. The test substance did not have a burning time of <45 seconds. In addition, it was not found to be pyrophoric or to emit flammable gases upon contact with water. Therefore, icos-1 -ene would not be classified as a flammable solid.