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EC number: 909-803-9 | CAS number: -
- 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
Toxicity to aquatic algae:
- EbC50 (72h) = 197 µg/L ; NOEC = 22.8 µg/L (OECD TG 201)
- ErC50 (72h) = 313.6 µg/L ; NOEC = 83.3 µg/L (OECD TG 201)
Key value for chemical safety assessment
Additional information
One key study is available for this endpoint. The acute toxicity (growth inhibition) of the test item REACTION MASS OF AlF3/CrF3/NiF2 to the freshwater algae Pseudokirchneriella subcapitata was assessed by the GRL (2010) according to the OECD Guideline 201 and incompliance with OECD (2004) Good Laboratory Practice standards. Based on the results of preliminary test, the definitive test was performed with a concentration range forming a geometric progression with a factor of 2.15: 0.05, 0.1, 0.16, 0.25, 0.40, 0.63 and 1% of a saturated stock solution of ground REACTION MASS OF AlF3/CrF3/NiF2 in dilution water.
Analytical monitoring has been performed at the beginning and at the end of the exposure period. It consists in ionic chromatography of “fluorides”. In order to calculate the correlation factor between fluorides concentration and the concentration of metallic fluorides in the samples, analysis of aluminium, chromium and nickel were performed on the stock solution by ICP-MS. An average factor allowing to pass from fluorides concentration to the test item (metallic fluorides) concentration can be estimated to 2.24. This calculation allows to express EC50 as REACTION MASS OF AlF3/CrF3/NiF2.The concentration of fluoride ions didn’t remain constant over the exposure period. So, estimation of effective concentrations (EC50) was based on geometric average values of initial and final concentrations of fluoride ion F-or of corresponding test item.
Algae (at an initial cell concentration of 104cells/mL) were exposed under static conditions to the test item. These organisms obtained from the Culture Centre of Algae and Protozoa (Ambleside, UK) were incubated at 23 ± 1 °C and constantly illuminated by 8 fluorescent tubes between 6,000 and 10,000 lux over the exposure period. During the assay, the toxic effect measured and recorded after 0, 24, 48 and 72 hours was the inhibition of cellular multiplication. The presence of insoluble material was also checked.
No precipitation was observed at the end of the test. Microscopic observation confirmed that the algae appeared normal at the end of the test.The biomass in the control cultures increased exponentially by a factor of 121 (corresponding to a specific growth rate of 1.598 day-1) within the 72-hour test period.
Exposure of the freshwater algae Pseudokirchneriella subcapitata to the test item REACTION MASS OF AlF3/CrF3/NiF2 resulted in 72h EbC50(cell growth) and 72h ErC50(growth rate) of 197 and 313.6 µg/L respectively.
72 hour no observed effect concentrations based on cell growth and on growth rate were 22.8 and 83.3 µg/L respectively.
Based on the results of this study, the test item REACTION MASS OF AlF3/CrF3/NiF2 is considered asvery toxicto the aquatic organisms tested in accordance with the Directive 67/548/EC.
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