Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

relative density
Type of information:
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Principles of method if other than guideline:
The result was obtained using an appropriate QSAR method (see attached QMRF and QPRF for details).
GLP compliance:
Type of method:
other: QSAR
1.04 g/cm³
20 °C
relative density
1.04 other: Relative density is dimensionless.
Remarks on result:
other: Relative density is dimensionless.
A density value of 1.04 g/cm³ at 20 °C has been obtained for the test substance using an accepted calculation method. The result is considered reliable.

Description of key information

[3-(trimethoxysilyl)propyl]urea: 1.04 g/cm³ at 20°C (QSAR)

Key value for chemical safety assessment

Additional information

A density value of 1.04 g/cm³ at 20°C was determined for the parent substance using an accepted calculation method QSAR).