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Diss Factsheets
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EC number: 231-293-5 | CAS number: 7486-38-6
- 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
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: generally accepted calculation method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
- Model:
- calculation according to Mackay, Level I
- Calculation programme:
- Fugacity-Based Environmental Equilibrium Partitioning Model; Environmetal Modelling Centre; Trent University Peterborough, Ontario, Canada. Version 2.11 (1999).
- Release year:
- 1 999
- Media:
- other: air-biota-sediment(s)-soil-water-aerosol
Test material
- Reference substance name:
- Adipic acid
- EC Number:
- 204-673-3
- EC Name:
- Adipic acid
- Cas Number:
- 124-04-9
- Molecular formula:
- C6H10O4
- IUPAC Name:
- adipic acid
- Reference substance name:
- Hexanedioic acid
- IUPAC Name:
- Hexanedioic acid
- Details on test material:
- results related to pure substance
Based on the absence of data for disodium adipate, results from the corresponding acid are taken into account for this endpoint.
Constituent 1
Constituent 2
Results and discussion
Percent distribution in media
- Air (%):
- 2.09
- Water (%):
- 97.89
- Soil (%):
- 0.01
- Sediment (%):
- 0.01
- Susp. sediment (%):
- 0
- Biota (%):
- 0
- Aerosol (%):
- 0
Any other information on results incl. tables
In the model adipic acid is treated as a type 1 chemical, i.e. the chemical partitions into all environmental media. Estimation is carried at an environmental temperature of 25 °C.
Applicant's summary and conclusion
- Conclusions:
- Based on the absence of data for disodium adipate, results from the corresponding acid, adipic acid are taken into account for this endpoint. Based on the results for adipic acid, it is conluded that also the main target compartment of disodium adipate is water.
- Executive summary:
A read-across approach with adipic acid is applied. In aqueous media, disodium adipate and adipic acid acid dissociate into the corresponding anion (1,6-hexandioic acid ion) and the sodium ion and hydrogen ion (proton), respectively. Fate, behavior and the ecotoxicological properties of adipic acid and its disodium salt are thought to be an effect of the di-carboxylate ion rather than of the sodium ion or the hydrogen ion (proton), which are normal constituents in environmental systems and have no relevant ecotoxic properties in low concentrations.
Therefore a read-across between disodium adipate and adipic acid is justified.The distribution of adipic acid in a "unit world" was calculated according to the Mackay fugacity model level I based on the physico-chemical properties. The main target compartment for adipic acid is water with 97.89%, followed by air with 2.09 %, and minor amounts for soil and sediment.
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