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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Based on a GLP study.

Key value for chemical safety assessment

EC50 for microorganisms:
279 mg/L
EC10 or NOEC for microorganisms:
144 mg/L

Additional information

The effective concentration of sodium hydroxymethylglycinate that caused a 50% reduction in respiration rate (EC50) was 279 mg/L (95% CL: 254 to 305 mg/L). The EC20 was 166 mg/L (95% CL: 144 to 186 mg/L), the lower limit of 144 mg/L was used as the key value for the EC10.