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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.1 mg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
1 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
10 µg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor
PNEC marine water (intermittent releases):
0.1 mg/L

STP

Hazard assessment conclusion:
no hazard identified

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
200 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
20 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
39.9 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusions for Decanoic acid, mixed esters with dipentaerythritol, octanoic acid and valeric acid (EC# 270-470-1)are based on read-across from analogue substances of an existing category (pentaerythritol and dipentaerythritol esters), of which the members were notified under Directive 67/548/EEC (NONS) in 2003/2004.

 

Based on the similar physic-chemical properties obtained for all members of the category in combination with the available experimental data for environmental endpoints, it can be expected that all substances would cause similar environmental toxicity,despite the variation of chain length and the presence of branchedvs. linear fatty acid esters. With an average molecular weight of 640, the substance of interest, i.e. Decanoic acid, mixed esters with dipentaerythritol, octanoic acid and valeric acid (EC# 270-470-1) falls well within the average molecular weight range of the members of the category (637 – 1023).

 

At the slightly basic pH’s seen in aquatic systems, the hydrolysis of the pentaerythrithol esters may be limited for steric reasons, i.e. the ester groups are expected to be well shielded by the aliphatic substituents and thus not be accessible for hydrolytic degradation. Therefore it is expected that the substances will be present mainly unsplit and that the toxicity of the intact moiety needs to be considered. The ability of the pentaerythrithol esters to reach the target sites in aquatic organisms will depend strongly on their solubility and their octanol-water partition coefficient. Solubility of the members of the category is in general low and the octanol-water partition coefficient is very high (EpiWin). The low solubility makes the substances less available to aquatic organisms, as the phases are not expected to mix thoroughly and the esters most probably will be present as a film on the water surface. The high octanol-water partition coefficient would allow a good uptake of the compounds by aquatic organisms if contact is established.

Conclusion on classification

The substance is readily biodegradable. No effects are proposed at the limit of solubility in water. The substance is not classified for environmental effects.