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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

fish early-life stage toxicity
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
Justification for type of information:
According to REACH Annex IX, 9.1 (aquatic toxicity), long-term testing shall be proposed if the chemical safety assessment indicates the need to investigate further the effects on aquatic organisms. The studies available indicate that in acute aquatic toxicity tests at 3 trophic levels there are no effects up to the limit of water solubility. Furthermore, in the two available long-term toxicity studies on Daphnia magna and algae, no adverse effects were identified at levels orders of magnitude higher than the limit of solubility, thus no environmental hazard was identified. Considering these results, testing on higher organisms, i.e. vertabrates, is scientifically unjustified (Annex VIII, 9.1.3) as substantial evidance suggests no adverse effect will occur during long term testing at the limit of solubility or at environmentally relevant exposure levels. This is further supported by a 14 d prolonged toxicity test conducted at 40 mg/L - this limit concentration determined when a dispersant was used, which showed no mortality or adverse effects.

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Tris(2-ethylhexyl) phosphate
EC Number:
EC Name:
Tris(2-ethylhexyl) phosphate
Cas Number:
Molecular formula:
tris(2-ethylhexyl) phosphate

Results and discussion

Applicant's summary and conclusion