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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

EC50 (72 h) of 1.7 mg/L and a NOEC of 0.38 mg/L, Pseudokirchneriella subcapitata, OECD 201

Key value for chemical safety assessment

EC50 for freshwater algae:
1.7 mg/L
EC10 or NOEC for freshwater algae:
0.38 mg/L

Additional information

One algae study for Betaines, C12-14 (even numbered)-alkyldimethyl, EC No. 931-700-2 is available. The study is conducted according to OECD 201 and revealed an EC50 of 1.7 mg/L (measured concentration of active ingredient)

for the tested substance and a NOEC of 0.38 mg/L (Hutchinson, 2010).