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EC number: 287-484-9 | CAS number: 85536-04-5
- 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
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
- Endpoint:
- long-term toxicity to aquatic invertebrates
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- Refer to the analogue approach justification provided in IUCLID section 13.
- Reason / purpose for cross-reference:
- read-across source
- Remarks on result:
- not determinable because of methodological limitations
- Remarks:
- No suitable analytical method could be established to conduct this study properly. Source: RA-A, CAS 93803-87-3, Notox, 1998
- Conclusions:
- A long-term study is technically not feasible due to substance properties (i.e. poor water solubility and high potential for adsorption), based on an experimental study with a structurally and chemically closely related source substance (OECD 202); read-across
Reference
Description of key information
A study according to OECD 211 is technically not feasible due to substance characteristics; read-across
Key value for chemical safety assessment
Additional information
There is no study available, in which the long-term toxicity of the target substanceFatty acids, C16-18, stearyl esters (CAS 85536-04-5) to aquatic invertebrates was assessed. Therefore, read-across to the structurally related source substance 2-octyldodecyl isooctadecanoate (CAS 93803-87-3) was conducted in accordance with Regulation (EC) No. 1907/2006 Annex XI, 1.5. The source substance is characterized by similar fatty acid chain lengths and alcohol components as the target substance and is therefore considered a suitable representative for the assessment of the long-term toxicity of the target substance to aquatic invertebrates. A detailed justification of the analogue approach is provided in IUCLID section 13.
No experimental study is available for the long-term toxicity of the source substance 2-octyldodecyl isooctadecanoate (CAS 93803-87-3) to aquatic invertebrates. However, a statement from a laboratory is available explaining that a long-term study is technically not feasible due to the properties of the test item.
The testing of the acute toxicity of poorly soluble substances to Daphnia magna is commonly performed by exposing the organisms to Water Accommodated Fractions. Owing to the fact that the test item is a liquid with water solubility below the detection limit of < 0.05 mg/L and a log Kow of > 7.0, it was not possible to prepare test solutions for a 21-day reproduction test with D. magna. Furthermore, based on the high hydrophobicity, there is no analytical method sensitive enough to detect concentrations of the test item in water samples. As a result, it is not possible to obtain any analytical data to meet the acceptability criterion for stable exposure concentrations (i.e. within ± 20% of nominal) throughout the total test period. In addition, it is considered highly unlikely that bioavailable concentrations of the test item will ever occur in the water phase, i.e. that concentrations high enough to induce any acute or chronic effects in aquatic organisms are every attained due to the particular substance characteristics. Therefore, no chronic test with aquatic invertebrates was conducted for the source substance 2-octyldodecyl isooctadecanoate (CAS 93803-87-3).
Based on the high degree of structural and chemical similarity between the target and the selected source substance, testing of the long-term toxicity of the target substance to aquatic invertebrates is expected to face similar technical challenges. Therefore, it is concluded that a study according to OECD 211 is technically not feasible due to the characteristics of the target substanceFatty acids, C16-18, stearyl esters (CAS 85536-04-5).
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