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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Adsorption / desorption

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Description of key information

Key value for chemical safety assessment

Additional information

A cut off value for log Kow (logKoc) of 3 is applied for adsorption potential of non-ionising substances (section R7a of the ECHA Guidance on information requirements). TCPP has an estimated log Kow of 2.89 (a very close default value used in EPI Suite (v.4.00) software for TCPP is log Kow=2.59).

The organic carbon-water partition coefficient (Koc) was calculated using KOCWIN v. 2.0. based on the first-order molecular connectivity index (MCI) and the logKow = 2.59.

Koc (estimated from MCI) = 1604 L/kg, logKoc = 3.20

Koc (estimated from logKow) =289.1 L/kg; log Koc=2.46

These values indicate that TCPP has only light potential for adsorption onto soil and sediment.

Value used for CSA:

Koc at 20°C: 1604 L/kg, logKoc = 3.20.