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Diss Factsheets
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EC number: 919-898-9 | 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:
- Experimental starting date: 25 July 2017 Experimental completion date: 07 February 2018
- 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)
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- ring method
- Specific details on test material used for the study:
- Identification: Tall-oil fatty acids oligomeric reaction products with
triethylenetetramine and glycidyl tolyl ether
Short name: TOFA-TETA-CGE
CAS number: 1628940-03-3
Appearance/Physical state: dark yellow viscous liquid
Batch: Ei 4015
Purity: 100% product (UVCB)
Expiry date: 15 November 2021
Storage conditions: room temperature, in the dark - Key result
- Surface tension:
- 63 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturation of test item
- Conclusions:
- The surface tension at nominally 90 % saturation of test item in water has been determined to
be 63.0 ± 1.0 mN/m at 20.0 ± 0.5 ºC. - Executive summary:
Surface Tension. 63.0 ± 1.0 mN/ (90% saturated solution) at 20.0 ± 0.5 °C, 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
Testing of Chemicals, 27 July 1995.
Reference
On removal from the 20 °C equilibration, the samples were assessed as containing excess,
undissolved test item; Sample 1 was cloudy while Sample 2 was clear. After filtration, all the
samples were visually clear and colorless and free from excess test item.
Samples 3 and 4 were prepared due to the significant difference in results for Sample 1 and 2.
At the time of the preparation of Sample 1, it was noted that on addition of the water it turned
cloudy/hazy. Sample 2 was noted as remained clear. It was considered that during addition
of the water to Sample 1, the test item was partially dispersed. This additionally dispersed
material caused the decrease in surface tension. Samples 3 and 4 where therefore carefully
prepared and resulted in values very similar to Sample 2.
The results for Samples 2, 3 and 4 were therefore considered to be due to components that
were extracted from the test item at the slow stirring speed used.
To investigate the effect of dispersion of the test item, the remaining saturated solutions of
Sample 3 and 4 were manually shaken and sonicated (1 minute) to thoroughly disperse the
excess test item. This resulted in both becoming cloudy solutions with bubbles on the
surface. No undispersed test item remained. The samples were left overnight at ambient
temperature to settle.
The dispersed solutions were passed through a 0.45 μm filter and the cloudy filtrates were
diluted to 90% with checked, in tolerance purified water. The surface tension of these
dilutions was then measured and was 45.0 mN/m and 39.5 mN/m for samples 3 and 4
respectively. This indicated that dispersing the test item significantly reduced the surface
tension measured and confirmed why Sample 1 was low. However, the guidelines specify
that solutions should be free from excess test item. As Samples 2, 3 and 4 were visually free
from excess test item, their results will be used as the overall result. Even so, the additional
work performed on the emulsified samples provides additional information.
According to criteria stated 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.
Description of key information
The surface tension at nominally 90 % saturation of test item in water has been determined to
be 63.0 ± 1.0 mN/m at 20.0 ± 0.5 ºC.
Key value for chemical safety assessment
- Surface tension:
- 63
Additional information
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