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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

Studies on three trophic levels are available for DDNSA and di C8-C10, branched, C9 rich, alkylnaphthalene sulphonic acid) (DNNSA). In all these studies no effects were observed at concentrations below the water solubility. Therefore the starting point for risk assessment will be the water solubility (see section on physico-chemical properties).

The outcome of toxicity toward bacteria gave a NOEC of 100 mg/L for DNNSA. Based on the results of the aquatic bridging studies, a read-across is applied here as well.