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Long-term toxicity to aquatic invertebrates

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Description of key information

Calculation with ECOSAR v1.00 (EPIWIN software by US-EPA), Chronic Value for Daphnia: 76023 mg/L 

Key value for chemical safety assessment

Additional information

The prediction for long-term toxicity for aquatic organisms of the substance 1 -Propanesulfonic acid, 3 -mercapto-, monosodium salt (MPS) was determined by the computer program ECOSAR v1.00 (EPIWIN software) by US-EPA (Chemservice S.A., 2011). The program uses an extensive set of structure-activity relationships (SARs) to estimate the toxicity of chemicals discharged to water. For daphnids a Chronic Value (ChV) of 76023 mg/L was predicted. No GLP criteria are applicable for the usage of this tool, but due to the fact that it is a scientifically accepted calculation method the estimations performed are reliable with restrictions and cannot be used for the chemical safety assessment.