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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

 0.977 mPa.s at 15° C and 0.791 mPa.s at 30°C.

Key value for chemical safety assessment

0.977 mPa · s (dynamic)
at the temperature of:
15 °C

Additional information

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