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EC number: 221-518-5 | CAS number: 3130-19-6
- 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
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:
- 13 September 2017 to 14 September 2017
- 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)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 52.7 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturated solution
- Conclusions:
- Under the conditions of this study the surface tension of the test material was 52.7 mN/m, therefore the test material is to be regarded as surface active.
- Executive summary:
The surface tension of the test material was investigated in accordance with the standardised guidelines OECD 115 and EU Method A.5, under GLP conditions.
Due to the low water solubility of the test material, a solution with a concentration of 1035.8 mg/L was prepared. For this purpose 100 mL double distilled water were added to 103.58 mg of the test material and stirred overnight to create an oversaturated solution. Due to the fact that the test material was not dissolved completely, the saturated solution was decanted and filtered via an HPLC filter. Subsequently 90 mL of the filtered solution were diluted to 100 mL with double distilled water to create a solution with a concentration of about 90 % of the solubility. This solution was measured twice. The temperature was adjusted and kept at 20 °C.
The measurement vessel was raised automatically until the ring was immersed below the surface of the solution. Subsequently, the table top was lowered automatically to detach the ring from the surface until the maximum force was reached. The force was read on the tensiometer. The liquid layer attached to the ring was not separated from the ring during the measurements. After completing the first measurement, measurements were repeated until a constant surface tension value was reached.
Under the conditions of this study the surface tension of the test material was 52.7 mN/m, therefore the test material is to be regarded as surface active.
Reference
Table 1: Measured surface tension values
Value No. |
1stMeasurements (10 min after preparing the solution) s[mN/m] |
2ndMeasurement (20 min after preparing the solution) s[mN/m] |
1 |
52.71 |
52.65 |
2 |
52.71 |
52.63 |
3 |
52.74 |
52.61 |
4 |
52.74 |
52.61 |
5 |
52.79 |
52.60 |
6 |
52.81 |
52.59 |
Mean value of the individual values |
52.75 ± 0.04 |
52.62 ± 0.02 |
Total mean value |
52.68 ± 0.10 |
The test item has a mean surface tension of 52.7 mN/m. Thus, the test item is to be regarded as surface active.
Description of key information
Under the conditions of this study the surface tension of the test material was 52.7 mN/m, therefore the test material is to be regarded as surface active.
Key value for chemical safety assessment
- Surface tension:
- 52.7
Additional information
The surface tension of the test material was investigated in accordance with the standardised guidelines OECD 115 and EU Method A.5, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
Due to the low water solubility of the test material, a solution with a concentration of 1035.8 mg/L was prepared. For this purpose 100 mL double distilled water were added to 103.58 mg of the test material and stirred overnight to create an oversaturated solution. Due to the fact that the test material was not dissolved completely, the saturated solution was decanted and filtered via an HPLC filter. Subsequently 90 mL of the filtered solution were diluted to 100 mL with double distilled water to create a solution with a concentration of about 90 % of the solubility. This solution was measured twice. The temperature was adjusted and kept at 20 °C.
The measurement vessel was raised automatically until the ring was immersed below the surface of the solution. Subsequently, the table top was lowered automatically to detach the ring from the surface until the maximum force was reached. The force was read on the tensiometer. The liquid layer attached to the ring was not separated from the ring during the measurements. After completing the first measurement, measurements were repeated until a constant surface tension value was reached.
Under the conditions of this study the surface tension of the test material was 52.7 mN/m, therefore the test material is to be regarded as surface active.
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