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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

1.1081 at 20 °C

Key value for chemical safety assessment

Relative density at 20C:

Additional information

The relative density of delta-valerolactone was consistently reported from different literature sources to be in a range of 1.107 and 1.1081 at 20 °C. These values originate from experimental studies. The value which originates from Beilstein which is a peer reviewed data base is 1.1081 at 20 °C. Thus a relative density of 1.1081 is regarded to be reliable for delta-valerolactone.