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EC number: 614-523-2 | CAS number: 68475-37-6
- 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
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Under test conditions, none of the substances in the category Rosin Esters would be considered to be readily biodegradable. However, biodegradation studies conducted with UVCB substances are not always relevant, as individual constituents within a UVCB will have different biodegradation potential.
For the purposes of persistence assessment, a screening assessment has been conducted assessing the biodegradation potential of constituents within the UVCB. Based on the results of this screening assessment, direct ready biodegradation testing is underway to assess the degradation potential of the mono-ester fraction of rosin ester substances.
Key value for chemical safety assessment
Additional information
Biodegradation studies are available for the following category members: Resin acids and rosin acids, Me esters; Resin acids and rosin acids, esters with pentaerythritol; Resin acids and rosin acids, esters with glycerol; Resin acids and rosin acids, hydrogenated esters with glycerol; Resin acids and rosin acids, hydrogenated, esters with pentaerythritol and Resin acids and rosin acids, esters with diethylene glycol (Inveresk, 2002a). All studies are GLP-compliant and follow standard guidelines. They are considered acceptable for use and have been given Klimisch scores of 1. Results of testing of representative members of the category of Rosins Esters have failed to demonstrate ready biodegradation in OECD 301B, 28 day ready biodegradation screening studies.
A GLP-compliant study following OECD guideline 301B was conducted for Resin acids and rosin acids, hydrogenated, Me esters (Notox, 1988a). The study used test item concentrations of 10 mg/L and 20 mg/L, with 17.7 and 28.3% degradation respectively over 28 days. A biodegradation study is available for Resin acids and rosin acids, Me esters, which followed guideline 301B. Harlan (2012a) determined 40% degradation of the test item after 28 days.
Two studies are also available, for Resin acids and rosin acids, hydrogenated, esters with glycerol and Resin acids and rosin acids, hydrogenated, esters with pentaerythritol (Notox, 1988b; Notox, 1988c). Both studies are GLP-compliant and follow a standard guideline, but the study reports provide limited test details only. These studies determine that neither test item would be considered readily biodegradable.
The maximum percent of biodegradation across 7 reliable studies was 50.7% after 28 days. Therefore, Rosin Esters are not considered to be readily biodegradable. However, biodegradation studies conducted with UVCB substances are not always relevant, as individual constituents within a UVCB will have different biodegradation potential.
For the purposes of persistence assessment, a screening assessment has been conducted assessing the biodegradation potential of constituents within the UVCB. Based on the results of this screening assessment, direct ready biodegradation testing is underway to assess the degradation potential of the mono-ester fraction of rosin ester substances.
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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