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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
![](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:
- Experimental Starting Date: 20 July 2012; Experimental Completion Date: 23 January 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the relevant results.
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Test material form:
- other: solid
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 65.2 - 65.6 mN/m
- Temp.:
- 22 °C
- Conc.:
- 1.08 g/L
Any other information on results incl. tables
Results
Calibration factor (Φb)
The readings, temperatures and the corresponding calibration factors for the glass double-distilled water are shown in the following tables:
Table 3.9– Sample A
Reading (mN/m) |
Temperature (ºC) |
Literature Value (mN/m) |
Calibration Factor |
72.5 |
21.8 |
72.44 |
0.999 |
72.5 |
21.8 |
72.44 |
0.999 |
72.0 |
21.8 |
72.44 |
1.006 |
73.0 |
21.8 |
72.44 |
0.992 |
72.0 |
21.8 |
72.44 |
1.006 |
72.0 |
21.8 |
72.44 |
1.006 |
72.5 |
21.8 |
72.44 |
0.999 |
72.0 |
21.8 |
72.44 |
1.006 |
Mean Calibration Factor = 1.003 |
Table 3.10– Sample B
Reading (mN/m) |
Temperature (ºC) |
Literature Value (mN/m) |
Calibration Factor |
72.5 |
21.8 |
72.44 |
0.999 |
72.5 |
21.8 |
72.44 |
0.999 |
72.0 |
21.8 |
72.44 |
1.006 |
72.0 |
21.8 |
72.44 |
1.006 |
72.0 |
21.8 |
72.44 |
1.006 |
72.5 |
21.8 |
72.44 |
0.999 |
72.5 |
21.8 |
72.44 |
0.999 |
72.0 |
21.8 |
72.44 |
1.006 |
Mean Calibration Factor = 1.004 |
Sample solution readings
The readings, times and temperatures for the sample solutions are shown in the following tables:
Table 3.11– Sample A
Time (mins) |
Reading (mN/m) |
Temperature (ºC) |
65 |
63.0 |
21.8 |
76 |
63.5 |
21.8 |
82 |
64.5 |
21.8 |
89 |
65.5 |
21.8 |
92 |
65.0 |
21.8 |
98 |
65.0 |
21.8 |
110 |
65.0 |
21.8 |
Mean sample reading = 65.0 (last five sample readings on a plateau) |
Table 3.12– Sample B
Time (mins) |
Reading (mN/m) |
Temperature (ºC) |
207 |
64.0 |
21.8 |
216 |
64.5 |
21.8 |
223 |
65.5 |
21.8 |
232 |
65.0 |
21.8 |
241 |
65.5 |
21.8 |
250 |
65.0 |
21.8 |
255 |
65.5 |
21.8 |
Mean sample reading = 65.3 (last five sample readings on a plateau) |
Surface tension = reading
x calibration factor
Sample A = 65.2
mN/m
Sample B = 65.6
mN/m
Temperature: 22.0 ± 0.5
ºC
pH of sample solution: Sample
A = 4.0
Sample
B = 4.0
Discussion
Substances showing a surface tension lower than 60 mN/m are regarded as being surface active.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of duplicate 1.08 g/L aqueous solutions of test item has been determined to be 65.2 to 65.6 mN/m at 22.0 ± 0.5°C. The test item was considered not to be surface active.
- Executive summary:
Method
The determination was carried out using a ring method designed to be compatible with Method A5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 115 of the OECD Guidelines for the Testing of Chemicals, 27 July 1995.
Result
The surface tension of duplicate 1.08 g/L aqueous solutions of test item has been determined to be 65.2 to 65.6 mN/m at 22.0 ± 0.5°C. The test item was considered not to be 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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