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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Data is available in an OECD guideline study under GLP conditions.

Key value for chemical safety assessment

EC50 for freshwater algae:
2 mg/L
EC10 or NOEC for freshwater algae:
1.2 mg/L

Additional information

Reaction products of 1,1โ€™-methylenebis(4-isocyanatocyclohexane) and pentaerythritol triacrylate and pentaerythritol tetraacrylate reduced growth rate and inhibited the yield of this fresh water algae species significantly at 1.6 mg/l and higher.

NOEC=1.2mg/L( ErC50=8.1mg/L, EyC50=2.0mg/L)