Registration Dossier
Registration Dossier
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EC number: 941-806-0 | CAS number: -
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Three aquatic toxicity studies in algae, with samples of gasoline are available. Acute EL50 values obtained ranged from 3.1 to 56 mg/L , based on growth rate. The NOAEC values ranged between 0.5 and 10 mg/L..
Supporting PETROTOX (version 4.01) acute and chronic toxicity to aquatic algae values are available. The model predicted an LL50 of 2.31 and a EL10 of 0.443 mg/L.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 3.1 mg/L
- EC10 or NOEC for freshwater algae:
- 0.5 mg/L
Additional information
Three aquatic toxicity studies in algae, with samples of gasoline are available. Acute EL50 values obtained ranged from 3.1 to 56 mg/L , based on growth rate. The NOAEC values ranged between 0.5 and 10 mg/L.
PETROTOX combines a partitioning model (used to calculate the aqueous concentration of hydrocarbon components as a function of substance loading) with the Target Lipid Model (used to calculate acute and chronic toxicity of non-polar narcotic chemicals). PETROTOX computes toxicity based on the summation of the aqueous-phase concentrations of hydrocarbon block(s) that represent a petroleum substance and membrane-water partition coefficients (KMW) that describe the partitioning of the hydrocarbons between the water and organism.
PETROTOX predicted an LL50 of 2.31 and a EL10 of 0.443 mg/L.
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