Registration Dossier
Registration Dossier
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EC number: 608-319-2 | CAS number: 29126-51-0
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
The 48 hour EC50 value for Dilithium Glutarate is 111 mg/L with 95% confidence intervals of 94 to 128 mg/L based on mean measured concentrations.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 111 mg/L
Additional information
The toxicities of dilithium glutarate to Ceriodaphnia dubia in a 48 hour static non-renewal five concentration dose-response test were determined in GLP-compliant, static, freshwater test. This study was performed in general agreement with the US EPA-821-R-02-012 and EPA/600/4-90/027F. The chemical confirmation of the test substance was based on analysis of total organic carbon (TOC). Observations for immobilization were performed at 24 hours and at 48 hours. Acute toxicity results are expressed as percent immobilization. The 50% Effect Concentration (EC50) is the calculated concentration of the test substance which would cause 50% immobilization in a population of test organisms over a specified exposure period. Percent immobilization observed at 48 hours was 0, 0, 5, 5, 95 and 100% for the Control, 4.1, 14, 53, 166 and 587 mg/L treatment groups, respectively. Therefore, the 48 hour EC50 value for Dilithium Glutarate is 111 mg/L with 95% confidence intervals of 94 to 128 mg/L based on mean measured concentrations.
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