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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
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
No experimental data evaluating the toxicity to sediment organisms is available for Fatty acids, soya, 2-ethylhexyl esters (CAS 93572-14-6). Since the substance is readily biodegradable, exposure of sediment organisms is unlikely. Furthermore, the substance is not toxic to aquatic organisms up to the limit of water solubility (WS < 0.05 mg/L). In addition, available data indicate, that the substance is not bioaccumulative. Based on the available information, toxicity to sediment organisms is not expected to be of concern.
The substance Fatty acids, soya, 2-ethylhexyl esters (CAS
93572-14-6) is readily biodegradable (76 – 90% biodegradation in 28
days). According to the Guidance on information requirements and
chemical safety assessment, Chapter R.7b, readily biodegradable
substances can be expected to undergo rapid and ultimate degradation in
most environments, including biological Sewage Treatment Plants (STPs)
(ECHA, 2012). Therefore, after passing through conventional STPs, only
low concentrations of these substances are likely to be (if at all)
released into the environment.
Furthermore, the substance exhibits a log Koc value > 5 and is insoluble
in water (< 0.05 mg/L). The Guidance on information requirements and
chemical safety assessment, Chapter R7.b (ECHA, 2012) states that once
insoluble chemicals enter a standard STP, they will be extensively
removed in the primary settling tank and fat trap and thus, only limited
amounts will get in contact with activated sludge organisms.
Nevertheless, once this contact takes place, these substances are
expected to be removed from the water column to a significant degree by
adsorption to sewage sludge (Guidance on information requirements and
chemical safety assessment, Chapter R.7a, (ECHA, 2012)) and the rest
will be extensively biodegraded (due to ready biodegradability). Thus,
discharged concentrations of these substances into the aqueous/sediment
compartment are likely to be negligible.
Considering this information the availability Fatty acids, soya,
2-ethylhexyl esters (CAS 93572-14-6) in the sediment environment can be
expected to be generally very low, which reduces the probability of
exposure of sediment organisms in general.
Due to the available data on acute and chronic toxicity to aquatic
organisms any toxic effects of Fatty acids, soya, 2-ethylhexyl esters
(CAS 93572-14-6) to sediment organisms are considered to be unlikely.
Conclusion
Due to its readily biodegradable nature, extensive degradation of this
substance in conventional STPs will take place and only low
concentrations are expected to be released (if at all) into the
environment. Once present in the aquatic compartment, further
biodegradation will occur and, due to the high log Kow, low water
solubility and high adsorption potential, sediment organisms might be
mainly exposed via feed and contact with suspended organic particles.
After uptake by sediment species, extensive and fast biotransformation
of the substance by carboxylesterases into the free fatty acid and the
corresponding alcohol is expected. The supporting BCF/BAF values
estimated with the BCFBAF v3.01 program, Arnot-Gobas model including
biotransformation, also indicate that this substance will not be
bioaccumulative. Furthermore, aquatic toxicity data show that no effects
occur up to the limit of water solubility. Therefore, the substance does
not pose a risk for sediment organisms in general and testing is thus
omitted, hence toxicity to sediment organisms is not expected to be of
concern and thus there is no need to investigate further the effects on
sediment organisms.
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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