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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Adsorption/desorption:

Koc:  0.4944 to 1

logKoc: -0.3016 to 0

Key value for chemical safety assessment

Koc at 20 °C:
1

Additional information

A calculated Koc between 0.4944 to 1.0 (logKoc = -0.3016 to 0) was determined for 1,4 -butynediol using USEPA KOCWIN v. 2.0. These results indicate that 1,4 -butynediol is likely to remain in water and not adsorb to the organic portion of soils and sediments. 1,4 -Butynediol is expected to be highly mobile in soil but this movement will be mitigated by rapid biodegradation.