Registration Dossier

Environmental fate & pathways

Bioaccumulation: terrestrial

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

The terrestrial bioaccumulation potential is expected to be low.
For terrestrial bioaccumulation no study is required, as the registration substance needs not to be classified, an exposure assessment is not required under the REACH Regulation. There are measured BCF data available for the structurally similar substance DODMAC.

Key value for chemical safety assessment

Additional information

For terrestrial bioaccumulation no study is required according to REACH Regulation Annex VII -X. The endpoint has to be addressed in an exposure assessment for secondary poisoning and indirect exposure to humans via the environment. As the registration substance needs not to be classified, an exposure assessment is not required under the REACH Regulation.

There are measured BCF data available for the structurally similar substance DODMAC (rationale for similarity see 4.3.1).

Sediment accumulation tests with14C-DODMAC andLumbriculus variegaturrespectivelyTubifex tubifexshowed biota sediment accumulation factors (BSAF) of 0.28 - 0.78 after 28 days. The main uptake route was sediment ingestion (EU RAR 2009).

Terrestrial plants (tomato, bean, cucumber and radish seedlings) showed a concentration of 0.01 to 0.05 mg DODMAC/kg in seedlings with 2 mg DODMAC/kg soil (EU RAR 2009). A biota-to-soil accumulation factor of 0.005 - 0.025 calculates from this numbers.

For TEA-Esterquats the terrestrial bioaccumulation is expected to be of the same order of magnitude as that of DODMAC. The above information is considered as sufficient to support to the conclusion that the terrestrial bioaccumulation potential of the registration substance is expected to be low.