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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicity data is available on sodium tungstate following OECD testing guidelines and conducted under good laboratory principles. Values used for risk assessment are the following:



  1. LC50 for freshwater fish: 3.72 g/L


  2. NOEC for freshwater fish: 9.8 mg/L



  3. EC50/LC50 for freshwater invertebrates: 163 mg/L

  4. NOEC for freshwater invertebrates: 50 mg/L

  5. EC50 for freshwater algae: 0.812 mg/L

Additional information