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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

EC50 24 h = 2.25 mg/l
EC50 48 h = 1.32 mg/l

2.25 and 1.32 mg/L, respectively

2.25 and 1.32 mg/L, respectively

The EC 50 values determined for potassium dichromate after 24 and 48 hours were 2.25 and 1.32 mg/L, respectively

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
1.32 mg/L

Additional information

All the available studies performed on similar substances showed some effects on Daphnia Magna.
The key study has been performed and based on the active ingredient a value of EC50 48 h of 1.32 mg/l has been established.

Based on the criteria of the CLP Regulation (EC n. 1272/2008), the substance needs to be classifies as Aquatic Chronic 2.