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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

TNS is unlikely to adsorb to solid surfaces since its log Koc (or log Kow) <3 (ECHA (2008) Guidance on Information, Requirements, and Chemical Safety Assessment, Chapter R.7.1.15, pg. 154). Measured Log Kow values are -1.37, 0.35, and 0.20, respectively, for the mono-, bis-, and pyro- components. Estimated Log Koc values are 0.25, 1.22, and 1.14 mL/g, respectively, for the mono-, bis-, and pyro- components. Log Koc values were calculated using KOCWIN v2.0.

The estimated Log Koc values of the TNS are 0.25, 1.22, and 1.14 mL/g, respectively, for the mono-, bis-, and pyro- components. The Koc values are 1.8, 17, and 14 mL/g, respectively.