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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

An in-house study conducted in accordance with OECD 109 was performed to determine the density of a sample of 4-oxo tempo. An oscillating densitimeter was used for the determination. Duplicate determinations showed the density to be 1.035 g/ml.

Key value for chemical safety assessment

Relative density at 20C:

Additional information

The study was conducted to the appropriate OECD guideline although not to GLP. Certain details are not included in the report, however this was considered not to have affected the quality of the results.