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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The chromatogram of propylidynetrimethyl trimethacrylate resulted in a major peak (> 90% of the area) with log Kow value of 4.19 and a minor peak with log Kow value of 2.75 at 25°C ± 1.

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
25 °C

Additional information

A GLP study was conducted to determine the partition coefficient of propylidynetrimethyl trimethacrylate according to OECD Guideline 117, HPLC method. The chromatogram of propylidynetrimethyl trimethacrylate resulted in two peaks with log Kow values of 2.749 ± 0.002 (peak 1: 0.3666 mAU*min) and 4.193 ± 0.004 (peak 2: 9.8804 mAU*min) at 25 ± 1 ºC. As this last peak covered more than 90% of the area under the curve, its log Kow value (4.19) was used for chemical safety assessment (CSA).