Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

The key study for this endpoint is based on the study report (van Wijk and Garttener-Arends, 1999), which is a Klimisch 1 GLP study conducted according to OECD 202 guideline with analytical monitoring of the test substance (ammonium thiocyanate).  The EC50 value is 3.56 mg/L, which is equivalent to 2.72 mg/L SCN-

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
3.56 mg/L

Additional information

Two studies are available for this endpoint: 1) GLP study with analytical monitoring for ammonium thiocyanate, and 2) non GLP study for potassium thiocyanate. The GLP study is preferred for use in risk assessment purposes.