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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Description of key information

Daphnids and algae were the most sensitive trophic level with acute EC50 and ErC50 of > 100 mg/L. The ErC10 for algae was > 100 mg/L.

Additional information

The environmental hazard assessment for (fresh-) water organisms and sediment habitats is supported by several acute studies (pelagic compartment) and by using scientific argumentation (sediment dwelling organisms).

For the environmental hazard assessment of the registered substance acute toxicity studies for daphnids and freshwater fish as well as acute and chronic data are available for freshwater algae and aquatic microorganisms. Long-term studies for fish and daphnia are not available for the registered substance. Supporting information from a read across source substance is available for the endpoint long-term invertebrates. The supporting read across information will not be used for the risk assessment. Experimental information about toxicity on marine organisms is not available.

The short-term EC50/LC50 values for fish, Daphnia, algae and microorganisms were 960, > 100, > 100 and >2000 mg/L, respectively. The supporting data for algae is > 100 mg/L.

The registered substance has a log Pow of << 3 resulting in a low likelihood to partition to sediment. Therefore, the registered substance is not expected to cause adverse effects on sediment organisms. Consequently sediment toxicity tests do not need to be conducted to assess the risk for sediment-dwelling organisms. The PNECs for these endpoints will be calculated using the partition coefficient method.

The daphnids and algae were the most sensitive trophic level with acute EC50 and ErC50 of > 100 mg/L. This value will be used as worst case scenario for the risk assessment of aquatic organisms.