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EC number: 236-419-2 | CAS number: 13360-78-6
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
An alga, Selenastrum capricornutum (now Pseudokirchneriella subcapitata), growth inhibition test was performed to evaluate the acute toxicity of the test material according to OECD TG 201 and under GLP conditions. The NOEC and EC50 based on growth rate were 20 and 115 mg/L, respectively.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 115 mg/L
- EC10 or NOEC for freshwater algae:
- 20 mg/L
Additional information
An alga, Selenastrum capricornutum (now Pseudokirchneriella subcapitata), growth inhibition test was performed to evaluate the acute toxicity of the test material according to OECD TG 201 and under GLP conditions.
The nominal treatment concentrations for the test were 150, 60, 20, 5, 0.5, 0.05 mg/L and a control of algal nutrient media. A stock solution was prepared by adding the appropriate amount of test material to algal nutrient media. The stock solution was mixed (<10% vortex) on a magnetic stirplate with a Teflon coated stirbar for 1 hour. Treatments were prepared by adding the appropriate amount of stock solution to algal nutrient media. Samples were removed from each treatment and analyzed for carbon content. The alga were exposed to each treatment level for a 96-hour period under static conditions.
The calculated material values generally ranged from 94 to 100% of the nominal concentrations and are within the variability of the analytical method. As such, the nominal concentrations were used for statistical evaluation and reporting.
The calculated 96-hour NOEC (No Observable Effect Concentration) and LOEC (Lowest Observable Effect Concentration) values were 20 mg/L and 60 mg/L, respectively, based on both growth rate and biomass. The calculated 96 -hour EbC50 and ErC50 values were 35.1 mg/L and 115 mg/L, respectively.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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