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Diss Factsheets
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EC number: - | 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:
- 27 June 2019 to 10 September 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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:
- 1992
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 55 mN/m
- Temp.:
- 20 °C
- Conc.:
- 23.6 mg/L
- Conclusions:
- The surface tension of the test substance was determined using a surface tensiometer. The corrected mean measured surface tension was 55.0 ± 0.8 (n = 6, CV = 1.52 %) at 20.0 ± 0.5 °C and was measured at a concentration of 23.6 mg/L as test material.
- Executive summary:
GUIDELINE
The investigation was performed in accordance with Organisation for Economic Cooperation and Development (1995) Guideline 115 "Surface Tension of Aqueous Solutions" and Council of the European Communities Directive 92/69/EEC(1992) Method A.5 "Surface Tension".
METHODS
The surface tension was determined using a surface tensiometer. The surface tension was obtained at a constant temperature of 20.0±0.5 °C, measured using a certified thermometer. The temperature was recorded immediately prior to analysis. This method utilised the principles of operation originally devised by Dr. Pierre du Nouy and employed a platinum-iridium ring of precisely known dimensions suspended from a counter-balanced lever arm. The arm was held horizontal by torsion applied to a taut stainless steel wire to which it was clamped. Increased torsion in the wire raised the arm and the ring. The ring carried with it the liquid in which it was immersed. Surface tension was measured as the force necessary to pull the test ring free from the surface film.
RESULTS
The surface tension of the test substance was determined using a surface tensiometer. The corrected mean measured surface tension was 55.0 ± 0.8 (n = 6, CV = 1.52 %) at 20.0 ± 0.5 °C and was measured at a concentration of 23.6 mg/L as test material.
Reference
RESULTS AND DISCUSSION
- The surface tension of the test substance was determined at 20.0 ± 0.5 °C using a surface tensiometer.
- Prior to analysis, a water calibration correction factor was determined and applied to the initial instrument reading.
- The surface tension determination was performed in triplicate on two separate aliquots of the test substance.
- The corrected mean measured surface tension of the test substance was 55.0 ± 0.8 (n = 6, CV = 1.52 %) at 20 ± 0.5 °C.
- The results of the surface tension analysis are presented in Table 7 (attached).
Description of key information
The surface tension of the test substance was determined using a surface tensiometer. The corrected mean measured surface tension was 55.0 ± 0.8 (n = 6, CV = 1.52 %) at 20.0 ± 0.5 °C and was measured at a concentration of 23.6 mg/L as test material (OECD 115 and EU Method A.5).
Key value for chemical safety assessment
- Surface tension:
- 55
- in mN/m at 20°C and concentration in mg/L:
- 23.6
Additional information
GUIDELINE
The investigation was performed in accordance with Organisation for Economic Cooperation and Development (1995) Guideline 115 "Surface Tension of Aqueous Solutions" and Council of the European Communities Directive 92/69/EEC(1992) Method A.5 "Surface Tension".
METHODS
The surface tension was determined using a surface tensiometer. The surface tension was obtained at a constant temperature of 20.0 ± 0.5 °C, measured using a certified thermometer. The temperature was recorded immediately prior to analysis. This method utilised the principles of operation originally devised by Dr. Pierre du Nouy and employed a platinum-iridium ring of precisely known dimensions suspended from a counter-balanced lever arm. The arm was held horizontal by torsion applied to a taut stainless steel wire to which it was clamped. Increased torsion in the wire raised the arm and the ring. The ring carried with it the liquid in which it was immersed. Surface tension was measured as the force necessary to pull the test ring free from the surface film.
RESULTS
The surface tension of the test substance was determined using a surface tensiometer. The corrected mean measured surface tension was 55.0 ± 0.8 (n = 6, CV = 1.52 %) at 20.0 ± 0.5 °C and was measured at a concentration of 23.6 mg/L as test material.
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