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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Description of key information

Based on a GLP study.

Key value for chemical safety assessment

EC50 for freshwater algae:
8.65 mg/L
EC10 or NOEC for freshwater algae:
3.2 mg/L

Additional information

The 72 hour ErC50 for the alga species Selenastrum capricornutum exposed to sodium hydroxymethylglycinate in Suttocide A was determined to be 8.65 mg/L (95% CL= 7.90 - 9.47 mg/L). The NOEC corresponded with 3.20 mg/L.