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Diss Factsheets
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EC number: 475-300-1 | 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
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:
- From April 11, 2006 to June 27, 2006
- 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)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 69.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 000 mg/L
- Remarks on result:
- other: Final value of surface tension was obtained by multiplying the mean value by the calibration factor (F=1.0016)
- Conclusions:
- Under the study conditions, the surface tension of the aqueous solution of the test substance at 20°C was 69.5 mN/m. Due to the fact that the surface tension is higher than 60 mN/m, the test substance has no surface-active properties.
- Executive summary:
A study was conducted to determine the surface tension of the test substance according to the OECD Guideline 115 and the EU Method A.5, in compliance with GLP.
An aqueous solution of the test item with a concentration of 1.0 g/L was prepared at ambient temperature. After tempering for 3 h at 20°C, the measurement of surface tension was carried out. Six measurements at a temperature of 20 °C, every 5 min, were carried out with the test substance. Before the measurement a calibration of the apparatus was carried out using de-ionized water at 20°C.
Under the study conditions, the surface tension of the aqueous solution of the test substance at 20°C was 69.5 mN/m. Due to the fact that the surface tension is higher than 60 mN/m, the test substance has no surface-active properties.
Reference
Six measurements every 5 min, were performed:
Measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time (min) |
0 |
5 |
10 |
15 |
20 |
25 |
Surface tension (mN/m) |
69.4 |
69.5 |
69.5 |
69.5 |
69.5 |
69.5 |
The mean value, multiplied by the calibration factor (F=1.0016) yields: Surface tension= 69.592 mN/m
After correction with respect to the table given in the consolidated version of Council Directive 67/548/EEC Annex V method A.5. (Harkins-Jordan correction), the final value for the surface tension at 20°C is: 69.5 mN/m
Details on the calibration of the apparatus:
The calibration of the apparatus was carried out using de-ionized water at 20°C.
Measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time (min) |
0 |
5 |
10 |
15 |
20 |
25 |
Surface tension (mN/m) |
72.5 |
72.4 |
72.4 |
72.5 |
72.5 |
72.5 |
The surface tension was determined to be 72.467 mN/m.
The calibration factor F was 1.0016, calculated with respect to the literature value for water at 20°C (72.58 mN/m).
Description of key information
The surface tension of an aqueous solution of the test substance at 20°C was 69.5 mN/m (Smeykal, 2006).
Key value for chemical safety assessment
- Surface tension:
- 69.5
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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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