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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

A study was conducted to determine the partition coefficient of Terpineol multi by Reverse Phase High Performance Liquid Chromatographic method according to OECD Guideline 117 and in compliance with GLP. Alpha-Terpineol is the main constituent of Terpineol multi and because only one peak could be determined, the partition coefficient, log Pow, of alpha-Terpineol is also 2.6 at 30 °C.

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
30 °C

Additional information

In addition to the key study, Griffin et al., (1999) and Li et al. (1998) determined the log Kow of alpha-Terpineol being 3.28 (HPLC) and 2.98 (slow stirring method), respectively. The reliability of these published studies was difficult to assess and therefore the available OECD study is used for risk assessment.