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EC number: 627-085-2 | CAS number: 1238449-42-7
- 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
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Enhanced readily biodegradable: > 70 % in 31 d (OECD 301B)
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, fulfilling specific criteria
Additional information
Five studies investigation the ready biodegradability of Dipropylheptylcarbonate (CAS No. 1238449-42-7) are available.
The GLP key study was performed under aerobic conditions according to OECD guideline 301B using non-adapted domestic activated sludge as inoculum (Oggier, 2011). A test concentration of 10 mg/L was applied. CO2 evolution was quantified using TOC analysis. The test period was prolonged to 49 days. A biodegradation of 59.7 % was measured after a test period of 28 days. Thus, the test substance is not readily biodegradable according to OECD criteria. However, as a biodegradation of >60 % was reached after a test period of 31 days, the test substance can be judged enhanced readily biodegradable according to the "Guidance of information requirements and chemical safety assessment, R.7b" (ECHA, 2008). This result is confirmed by all additional studies.
Two supporting studies, which were performed under the same conditions as the key study reached biodegradation values of 28 % after a test period of 28 days (BASF, 2011; Ley, 2011). Both tests were prolonged in there test period and reached biodegradation values of ca. 80 % after 42 days (Ley, 2011) and 49 days (BASF, 2011), respectively.
Two further studies, which were conducted according to GLP and OECD guideline 310 (Fiebig, 2011) and 301B (Ley, 2010) without prolongation of the test period, support the assumption that the substance is not readily biodegradable. The studies resulted in biodegradation values of 22 % (Fiebig, 2011) and 54 – 55 % (Ley, 2010) after a test period of 28 days.
Based on all available data it can be concluded that bis(2-propylheptyl) carbonate requires a long lag phase of 15 -25 days befor the biodegradation reaction starts. However, once started the degradation is fast and leads to a complete mineralization without the formation of metabolies.
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