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Diss Factsheets
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EC number: 466-380-9 | CAS number: 52350-17-1
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_physical-and-chemical-properties.png)
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01 Dec 2016 - 15 Feb 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- adopted in 2008
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- adopted in 1995
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Department of Health, London, UK
- Type of method:
- ring method
Test material
- Test material form:
- solid: nanoform, no surface treatment
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 72.2 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: Concentration
- Remarks:
- 90% saturation
Any other information on results incl. tables
The readings, times and temperatures for the sample solutions are shown in the following tables:
Table: Sample 1
Time [mins] |
Reading [mN/m] |
Temperature [°C] |
68 |
72.5 |
20.0 |
90 |
72.0 |
20.0 |
116 |
72.5 |
20.0 |
135 |
72.5 |
20.5 |
153 |
72.5 |
20.5 |
172 |
72.5 |
20.5 |
190 |
72.5 |
20.5 |
Table: Sample 2
Time [mins] |
Reading [mN/m] |
Temperature [°C] |
81 |
72.0 |
20.0 |
99 |
71.5 |
20.0 |
126 |
72.0 |
20.5 |
144 |
72.0 |
20.5 |
163 |
72.0 |
20.5 |
181 |
72.0 |
20.5 |
199 |
72.0 |
20.5 |
Mean Sample 1 result: 72.4 mN/m,
pH of Sample 1: 5.1
Mean Sample 2 result: 71.9 mN/m,
pH of Sample 2: 4.9
Mean result: 72.2 mN/m
Overall temperature: 20.0 ± 0.5 °C
Discussion
According to criteria mentioned in EC Method A.5, substances showing a surface tension lower than 60 mN/m under the conditions of this method should be regarded as being surface active.
Conclusion
The mean surface tension of duplicate aqueous solutions of test item prepared at 90% saturation has been determined to be 72.2 mN/m at 20.0 ± 0.5 °C. The test item was considered not to be surface-active.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of the substance is 72.2 mN/m. The substance is not considered to be surface active.
- Executive summary:
In accordance with the OECD TG 115, the ring method was used to estimate the substances surface tension in water. The meausres were taken in duplicate at 20 degrees celcius, several measures were taken over 200 minutes.
The mean surface tension measure of the substance was 72.2 mN/m. The substane is not surface active.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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