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Diss Factsheets
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EC number: 943-553-1 | CAS number: -
- 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
The ready and inherent biodegradability of the test substance was assessed in a series of tests based on OECD Test Guidelines.
In the key study, the ready biodegradability of the test substance was determined by the manometric respirometry test. The test substance undergoes no biodegradation after 28 days (no biodegradation after 32 days) in the test conditions. The test substance did not significantly inhibit intrinsic respiration at the test concentration and was therefore considered to be non-toxic to the inoculums at the test concentration. Thus, the test substance should be regarded as not readily biodegradable according to this test.
In the two tests to assess inherent and ultimate biodegradability, degradation levels of approximately 27% were achieved indicating partial degradation of the substance under these test condictions.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
The ready and inherent biodegradability of the test substance was assessed in a series of tests based on OECD Test Guidelines.
In the key study, the ready biodegradability of the test substance was determined by the manometric respirometry test according to OECD Test Guideline 301 F. The test substance undergoes no biodegradation after 28 days (no biodegradation after 32 days) under the test conditions. The test substance did not significantly inhibit intrinsic respiration at the test concentration and was therefore considered to be non-toxic to the inoculums at the test concentration and the test substance was therefore regarded as not readily biodegradable according to this test. The key study’s conclusions were supported by a ready biodegradability test performed according to OECD Test Guideline 301 B using the CO2evolution method. During the supporting study, the test substance achieved 15 % biodegradation in 28 days. The test substance therefore cannot be classed as being readily biodegradable.
To assess the inherent and ultimate biodegradability of the test substance a study was performed using a modification of OECD Test Guideline 301 B (CO2evolution method using sealed vessels) whereby the test duration was extended from 28 days to 56 days. During this test, 27.4 % degradation was observed over 56 days. This conclusion was supported by a further test preformed according to OECD Test Guideline 301 B using sealed vessels and a modified method in which the microorganisms were acclimatised to the test substance. Over the 4 week test period, 27.9 % degradation was observed. When assessing inherent biodegradability it is not necessary to define limits on test duration. Biodegradation above 20% may be regarded as evidence of inherent, primary biodegradation, whereas biodegradation above 70% may be regarded as evidence of inherent, ultimate biodegradability. Thus Pelargene should be regarded as inherently primarily biodegradable according to these two inherent tests.
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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