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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

melting point/freezing point
Type of information:
not specified
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Published handbook data
Principles of method if other than guideline:
No further details are reported.
GLP compliance:
not specified
Type of method:
other: not stated in literature
Key result
Melting / freezing pt.:
-56.4 °C

The melting point is reported to be -56.4°C.

Executive summary:

In the CRC handbook, the melting point of the substance is reported to be -56.4°C.

Description of key information

Triethylphosphat is reported to have a melting point of -56,4°C. (CRC handbook) 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-56.4 °C

Additional information

Lide (2006) reports the melting point of the substance to be -56.4°C. The CRC handbook is considered to be a reliable source, therefore it is regarded as a key study.