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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
weight of evidence
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
No data available
GLP compliance:
not specified
Type of method:
other: no data
Melting / freezing pt.:
-8 °C
Atm. press.:
1.013 hPa
Remarks on result:
other: As no information are given for the atmospheric pressure it is assumed to be at normal pressure
Executive summary:

The melting point reported in the handbook "Perfume and flavors chemicals" for heptanoic acid is -8°C.

Description of key information

The melting point reported in the handbook for heptanoic acid is -8°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-8 °C

Additional information

No experimental data is available for the melting point of heptanoic acid. As the three data coming from the literature are in the same range (between -8°C and -7,5°C) it is assumed to use these data (weight of evidence approach).

The data coming from the handbook "Perfume and Flavor Chemicals (Aroma Chemicals) II" is considered as the key parameter.