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EC number: 297-443-7 | CAS number: 93572-14-6
- 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
No toxic effects on aquatic algae up to the limit of water solubility, read across.
Key value for chemical safety assessment
Additional information
Data on the short-term toxicity of Fatty acids, soya, 2-ethylhexyl
esters (CAS 93572-14-6) to aquatic algae are not available. The
assessment was therefore based on studies conducted with the
structurally similar substances 2-ethylhexyl oleate (CAS 26399-02-0) and
Fatty acids, C8-16, 2-ethylhexyl esters (CAS 135800-37-2), as part of a
read across approach, which is in accordance with Regulation (EC) No.
1907/2006, Annex XI, 1.5. Further justification is given within the
overall summary chapter 6.1 and within the analogue justification
section 13.
The effects of 2-ethylhexyl oleate (CAS 26399-02-0) to the freshwater
algae Scenedesmus subspicatus were investigated according to the
EU-method C.3 considering the VCI concept draft for the acute testing of
poorly soluble substances from 1994-01-31 (Rieche 1995). Two test
solutions with a substance concentration of 100 mg/L (nominal) were
prepared. The first solution was not filtered and contained insoluble
particles of the test substance. The second solution was filtered and
thus undissolved test substance was removed. After an exposure period of
72 the algal growth rate was reduced by 38.3% and the algal biomass was
reduced by 75.1% in the unfiltered test solution. No effect on the
growth rate and an increase of algal biomass by 23.1% was observed in
the filtered test solution. It can be assumed that the inhibition of
algal growth in the unfiltered solution was due to physical effects and
not to systemic toxicity. Therefore an ErC50(72h) of > 100 mg/L was
reported.
The toxicity of Fatty acids, C8-16, 2-ethylhexyl esters (CAS
135800-37-2) to Scendesmus subspicatus was investigated in a study
following to EU-Method C.3 with filtered and unfiltered test solutions
of 100 mg/L nominal substance concentration (Wierich, 1998). No
significant inhibition of algae growth or growth rate was observed in
the filtered solution. In the unfiltered solution an inhibition of 75.7%
regarding algal growth and of 42.6% regarding algal biomass was
recorded. Thus, the observed inhibition was related to physical effects
and an ErC50(72 h) of > 100 mg/L was determined.
Thus, based on the above mentioned result, and due to the structural and
profile similarities of the substances, as are explained with in the
overall endpoint summary 6.1 it can be concluded that no toxicological
effects on algae are expected up to the limit of water solubility for
Fatty acids, soya, 2-ethylhexyl esters (CAS 93572-14-6).
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