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Diss Factsheets
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EC number: 271-678-5 | CAS number: 68603-87-2
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
Assessing ready biodegradability of the substance, results of tests from each constituent is used, as no valid test carried out with the mixture is available.
In a test on ready biodegradability of adipic acid conducted according to the OECD guideline 301 D (Determination of the Ready biodegradability: Closed Bottle Test) 83 % degradation was observed after 30 days (Gerike, 1979).
Regarding the ready biodegradability of succinic acid, an aerobic ready test, performed according to the national Japanese standard method comparable to the OECD TG 301 C guideline, showning more than 90% biodegradation after 14 days (MITI, 2002).
Concerning ready biodegradability of glutaric acid, 100 % of the test substance had been degraded after 14 days in a Modified OECD Screening Test (Bayer AG, 1993).
Based on this result the substance should be classified as readily biodegradable.
With regard to dicarboxylic acids, only one test for inherent biodegradation of dicarboxylic acids in water exists. The test was performed according to OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test) and a biodegradation rate of 99 % after 7 d was observed (BASF, 1988).
Based on these results the subtsance is considered to be inherently biodegradable.
In a modified Zahn-Wellens-Test, using surface water from the river Main (Germany), 90% of adipic acid was degraded within 8 days (Zahn, 1980) indicating that the substance is biodegradable in surface waters.
The potential for biodegradation in soil of adipic acid is decribed, by a test conducted according to a national standard method of the U. S. Food and Drug Administration (FDA). An 84 % conversion of adipic acid carbon content to carbon dioxide was found after 30 days aerobic incubation in soil (Sharabi,1993). 60 % degradation was reached in 1 to 6 d. Adipic acid is therefore considered to be readily biodegradable in soil.
As it is shown that all constituents of the mixture are readily biodegradable, it is concluded that carboxylic acids, di-, C4 -6 is also biodegradable in surface waters, waste water treatment plants as well as in soil.
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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