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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Link to relevant study record(s)

Description of key information

In a growth inhibition test on alga (Selenastrum capricornutum) a 72 -hour EC50 of 0.5 mg/l and a 72 -hour NOEC of 0.066 mg/l were determined for 2-mercaptobenzothiazole. (MITI, 1999)

Key value for chemical safety assessment

Additional information

There is no direct data available regarding the chronic effect of MBS on algae. As hydrolysis product of MBS, a read-across approach from MBT is used to support the toxicity discussion regarding MBS.