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EC number: 620-174-7
CAS number: 1079184-43-2
According to REACH regulation (Annex X, 9.3,
column II), further studies on bioaccumulation shall be proposed based
on the outcome of the risk assessment. The risk assessment did not
indicate the need for further testing.
However, measured BCF data are available for
the structurally similar substance DODMAC (rationale for similarity see
4.3.1). (Data on BCF in fish see 4.1.3.)
Sediment accumulation tests with 14C-DODMAC
and Lumbriculus variegatur respectively Tubifex tubifex showed biota
sediment accumulation factors (BSAF) of 0.28 - 0.78 after 28 days. The
main uptake route was sediment ingestion (EU RAR 2002).
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 2002). A
biota-to-soil accumulation factor of 0.005 - 0.025 calculates from this
For MDEA-Esterquat 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.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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