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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties


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Administrative data

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Description of key information

The viscosity of the test item reaction mass of 2,2'-oxybisbutane (DSBE), DIPE, SBA and 2-methylpropan-2-ol (TBA) was calculated as 0.587 ± 0.000 mPa * s at 20.0 ± 0.2 °C which is the mean of two values. Precision of the value is given as standard deviation of determination.

Key value for chemical safety assessment

0.587 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

Using a falling ball viscosimeter, a viscosity of 0.587 ± 0.000 mPa * s was measured, this value is the mean of three independent determinations (each consisting of three experiments) with their standard deviation. Good correlation of the two determinations was given (relative standard deviation was 0.02%). All measurements were performed at 20.0±0.2 °C.

For reassurance and information purpose the viscosity was determined from the Rheotest Company under not GLP conditions with 0.584 mPa * s at 20.0 °C.