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Diss Factsheets
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EC number: 948-061-0 | 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
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 30 November 2016 - 16 August 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation was reported. Test substance is adequately specified with purity. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- UK GLP compliance programme (inspected on 05 July 2016 / signed on 28 Octobre 2016)
- Type of method:
- ring method
- Key result
- Surface tension:
- ca. 40.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The mean surface tension of duplicate samples of test item in water, prepared at a nominal concentration of 1.0 g/L, was determined to be 40.3 mN/m at 20.0 ± 0.5 °C. The test item was therefore considered to be surface active.
- Executive summary:
A GLP determination was performed by a ring method, using a procedure designed to be compatible with Method A.5/OECD115.
From the structural information, it was anticipated that the test item would exhibit surface active behavior. Preliminary testing for the water solubility (endpoint 4.8), also indicated that the test item could disperse in water at high concentrations. Irrespective of whether the samples were true solutions or dispersions, testing was continued due to its relevance to environmental impact appraisal, since dispersion in water is a viable route for exposure. 2 determination were performed and the mean result was retained as a key result.
Reference
Results
Sample 1
Mean result sample 1 : 40.2 mN/m (all 5 readings used)
pH of sample 1 : 5.44
Sample 2
Mean result sample 2 : 40.3 mN/m (last 5 readings used)
pH of sample 2 : 5.43
Overall mean result samples : 40.3 mN/m
Overall test temperature : 20.0 ± 0.5 ºC
All the raw data is available in the experimental report.
Discussion
From the structural information provided by the Sponsor, it was anticipated that the test item would exhibit surface active behavior. Preliminary testing for the water solubility end point,also indicated that the test item could disperse in water at high concentrations. Irrespective of whether the samples were true solutions or dispersions, testing was continued due to its relevance to environmental impact appraisal, since dispersion in water is a viable route forexposure.
The sample solutions were prepared at a slightly higher concentration than required to allow for sample clean-up (centrifugation and/or filtration), if necessary. After static equilibration at 20 °C, both samples solutions were visually assessed as clear, colorless, homogeneous solutions/dispersions, with no visible excess of test item. No further treatment was therefore necessary and the samples were diluted to give the recommended nominal concentration of 1.0 g/L. A platinum ring with a reduced circumference of 4 cm was used, whereas the guidelines specify 6 cm. Once calibrated, the balance and ring assembly used in this test gave a direct reading for surface tension that is within the required accuracy (± 0.5 mN/m). Hence, the reduced ring dimensions are not considered to affect the integrity of the test.
Description of key information
The mean surface tension of duplicate samples of test item in water, prepared at a nominal concentration of 1.0 g/L, was determined to be 40.3 mN/m at 20.0 ± 0.5 °C. The test item was therefore considered to be surface active.
Key value for chemical safety assessment
- Surface tension:
- 40.3
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
A GLP determination was performed by a ring method, using a procedure designed to be compatible with Method A.5/OECD115.
From the structural information, it was anticipated that the test item would exhibit surface active behavior. Preliminary testing for the water solubility (endpoint 4.8), also indicated that the test item could disperse in water at high concentrations. Irrespective of whether the samples were true solutions or dispersions, testing was continued due to its relevance to environmental impact appraisal, since dispersion in water is a viable route for exposure. 2 determination were performed and the mean result was retained as a key result.
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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