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EC number: 287-094-9 | CAS number: 85409-27-4
- 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
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2000-06-14 to 2002-08-02
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Pine Chemicals Association, Incorporated (1117 Perimeter Center West, Suite 500E, Atlanta, GA 30338, USA);
- Batch no. 7-12-00KMR
- Expiration date of the lot/batch: 2005-07-17
- Purity test date: Not specified
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: stored under nitrogen in the dark at ambient room temperature
- Stability under test conditions: Not specified
FORM AS APPLIED IN THE TEST (if different from that of starting material) : neutral brown liquid (10% solids) - Analytical method:
- high-performance liquid chromatography
- Key result
- Type:
- log Pow
- Partition coefficient:
- > 1.4 - < 7.9
- pH:
- ca. 2
- Remarks on result:
- other: Temperature not reported, assumed to be standard.
- Details on results:
- The partition coefficient for Resin Acids and Rosin Acids, maleated, potassium salt was estimated to be <-3.0 based on the preliminary solubility of the test item in octanol and water.
In unbuffered media, a partition coefficient of 4.7 was determined. The peak present in the trace is thought to be associated with undissociated components present in the test item. In media adjusted to pH 2, a partition coefficient range of 1.4 to >6 (7.9) was
determined. - Conclusions:
- The partition coefficient (Log Pow) range of resin acids and rosin acids, maleated, potassium salts was determined to be 1.4 to >6 (7.9) in media adjusted to pH 2.
- Executive summary:
The partition coefficient of resin acids and rosin acids, maleated, potassium salts was determined using HPLC and according to OECD 117 technical guidelines. The partition coefficient (Log Pow) range of resin acids and rosin acids, maleated, potassium salts was determined to be 1.4 to >6 (7.9) in media adjusted to pH 2. In unbuffered media, a partition coefficient of 4.7 was determined.
This is a GLP-compliant, guideline study and is considered to be suitable for use as the key study for this endpoint.
Reference
Description of key information
The partition coefficients for members of the category Rosin adducts and rosin adduct salts range from 1.5 to >6.5
The partition coefficient of Resin acids and rosin acids, maleated, potassium salts is 1.4 to >6 (7.9).
Key value for chemical safety assessment
Additional information
A GLP-compliant study, conducted according to OECD Guideline 117 (HPLC method), was provided for Resin acids and Rosin acids, maleated, potassium salt (PCA, 2002).
The wide range of partition coefficient values for substances in this category is due to the chemical structures of the substances, as they are composed of ionisable organic acids. The substances in this category are UVCB mixtures and therefore can exhibit more than one peak and log Kow value.
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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