Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

Phototransformation in air:

Phenol is relative quickly photodegraded in air by reaction with OH radicals. Half-lives of 14 h based on the experimentally determined reaction rate constant and 11 h based on the calculated reaction rate constant were calculated.

Hydrolysis:

According to Annex VIII of Regulation (EC) No 1907/2006 a hydrolysis study is not required, when a substance is readily biodegradable. In addition, hydrolysis of phenol in water is not expected due to the chemical structure of the substance.

Therefore, further studies are not required.

Phototransformation in water:

According to the EU- RAR (2006) on phenol biodegradation is the dominant elimination process of phenol in the hydrosphere. The reaction with hydroxyl radicals plays a subordinate role in the hydrosphere.

Photodegradation in soil:

No information about photodegradation in soil is given in the EU-RAR (2006). As for the water compartment biodegradation is regarded as the dominant elimination process of phenol in soil. The reaction with hydroxyl radicals plays a subordinate role in the hydrosphere and soil.