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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The density of reaction mass of 2,2'-oxybisbutane (DSBE), DIPE, SBA and 2-methylpropan-2-ol (TBA) was determined according to OECD 109 resp. EU A.3. The relative density at 20°C was found to be 0.7515.

Key value for chemical safety assessment

Relative density at 20C:

Additional information

Using the pycnometer method, a density of 0.7515 g/cm3 at 20.0 +/- 0.2°C was measured according to the test guideline was OECD 109. Th

is value is the mean of two independent determinations. Standard deviation was 0.0004 g/cm3, showing good correlation of the two determinations.The standard deviation of the two values is a little higher than the maximal error of the single determination, indicating that the error of the determination was a little higher than the calculated value. Correspondence of the values is very good. Therefore, the study is considered valid.