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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

relative density
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
no guideline available
Principles of method if other than guideline:
No data available
GLP compliance:
not specified
Type of method:
other: no data
relative density
20 °C
Executive summary:

According to the Merck Index, the relative density of heptanoic acid is 0.9181 at 20°C/4°C.

Description of key information

Relative density 0,92 at 20°C

Key value for chemical safety assessment

Relative density at 20C:

Additional information

No experimental data is available for the relative density of heptanoic acid. There is only one data coming from handbook (Merck index). As the density is not a critical property for risk assesment, it is assumed to use this data as a key study.