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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Principles of method if other than guideline:
Data was obtained from a secondary source and no further information about the method was available for assessment
GLP compliance:
not specified
Melting / freezing pt.:
-170 °C
The melting point of the test substance is reported as -170°C.
Executive summary:


melting point/freezing point
Data waiving:
other justification
Justification for data waiving:

Description of key information

Melting/freezing point (triethoxysilane): < -20°C

Key value for chemical safety assessment

Additional information

The melting/freezing point of the substance is < -20°C. the melting point of the substance was waived in accordance with REACH Column 2 Annex VII because the melting point of the substance is < -20°C. This is supported by a value of -170°C from a secondary source to which no reliability could be assigned.