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Diss Factsheets
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EC number: 205-569-0 | CAS number: 142-88-1
- 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
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Biodegradation in water and sediment: simulation tests
Administrative data
Link to relevant study record(s)
Description of key information
Half life of piperazine adipate in water was estimated to be 360 hrs (15 days) using Fugacity model III and half life in sediment it is 3240 hrs (135 days). Based on these half life values, it is concluded that the piperazine adipate is readily biodegradable in water where as it is non biodegradable in sediment.
Key value for chemical safety assessment
- Half-life in freshwater:
- 360 h
- at the temperature of:
- 25 °C
- Half-life in freshwater sediment:
- 3 240 h
- at the temperature of:
- 25 °C
Additional information
Based on the Level III Fugacity Model, the half life period of thepiperazine adipatewas estimated. The half period ofpiperazine adipatein water is 360 hrs (15 days) therefore it is considered that the substance will qualify as not persistent as the half life does not exceed the EPA criteria of 60 days. So, it can be confirmed that the substance is readily biodegradable in water medium where as in sediment the half life is 3240 hrs (135 days).
Based on this value, it can be inferred that the substance is persistent in sediment medium and is not readily biodegradable probably due to the anaerobic conditions existing in most sediments. However, it can be observed that piperazine adipatedoes not diffuse in the sediment medium since it's percentage in the sediment medium is reported to be 0.0769 % and hence persistence in the sediment compartment is not likely to be critical.
|
Mass Amount (percent) |
Half-Life (hr) |
Emissions (kg/hr) |
Water |
23.8 |
360 |
1000 |
Sediment |
0.0769 |
3.24e+003 |
0 |
|
Fugacity (atm) |
Reaction (kg/hr) |
Advection (kg/hr) |
Reaction (percent) |
Advection (percent) |
Water |
4.09e-024 |
961 |
499 |
32 |
16.6 |
Sediment |
3.65e-024 |
0.345 |
0.0323 |
0.0115 |
0.00108 |
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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