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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Algal growth inhibition study, OECD 201, 72hr ErC50 = 3.5 mg/L, ErC10 = 1.5 mg/L, NOEC= 0.43 mg/L

Daphnia acute immobilization study, OECD 202, 48hr EC50 = 3.1 mg/L

Additional information

In the table below the acute aquatic toxicity data are summarised

 Species  Guideline  Result in mg/l


Pseudokirchneriella subcapitata



EC50 growth rate: 3.5 mg/L

EC10 growth rate: 1.5 mg/L

NOEC: 0.43 mg/L

Based on initial measured concentration

 Key study, Rel 1,

 Daphnia maga

 OECD TG 202

 EC50 48h: 3.1 mg/L

average measured concentrations of

the freshly prepared media only


Key study, Rel 1,