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EC number: 907-578-1 | 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:
- 03 to 04 April 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)
- Version / remarks:
- 27 July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: A0076
- Expiration date of the lot/batch: ~ 2021
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Ambient (15±10°C), protected from light
- Stability under test conditions: Stable
- Solubility and stability of the test substance in the solvent/vehicle:
:
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: 0.1003 g of the substance was weighed into a 100 ml volumetric flask and made up with HPLC water
to make a 1g/l test sample solution. The solution was placed on a magnetic stirrer to equilibrate overnight.
When the solution was removed from the stirrer, it still appeared very cloudy. It was noticed that there were solid particles on the surface of the liquid as well as suspended within the main body of the liquid.
There was a homogeneous layer of material below the surface layer of floating solids, this was pipetted out to test for the surface tension. The sample produced appeared to be a cloudy liquid. - Surface tension:
- 52.9 mN/m
- Temp.:
- 19.9 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of the reaction mass of amines, hydrogenated tallow alkyl and azelaic acid and lithium hydroxide was determined to be 52.9 mN/m at 19.9 °C.
- Executive summary:
The study to determine the surface tension of the substance, reaction mass of amines, hydrogenated tallow alkyl and azelaic acid and lithium hydroxide, was performed according to the OECD 115 guideline using ring method (Crane 2018). The method is based on the measurement of the force which it is necessary to exert vertically on a stirrup or ring, in contact with the surface of the liquid, in order to separate it from the surface.
The determination of surface tension was compromised by the nature of the sample. However, a solution was prepared at the maximum permissible concentration. The test item was weighted into a volumetirc flask and a 1 g/L solution was prepared with HPLC water. Despite the presence of small amounts of suspended material, it is considered that this is the best approach possible and has produced a representative result.
The surface tension of the reaction mass of amines, hydrogenated tallow alkyl and azelaic acid and lithium hydroxide was determined to be 52.6mN/m based on 5 measurements. A correction factor of 1.007 was applied comparing a deionised water sample with the factory calibration value, this was used to adjust the values recorded in this study. The corrected surface tension of the test item was 52.9 mN/m.
This is a GLP-compliant and guideline study and is considered reliable without restrictions (Klimisch 1).
Reference
Table. 1 Summary of results
Sample |
Sample concentration (g/L) |
Temp °C |
Measured value (mN/m) |
Average value (mN/m) |
Correction factor |
Corrected value (mN/m) |
||||
1 |
2 |
3 |
4 |
5 |
||||||
Test item |
1.0 |
19.9 |
52.5 |
52.7 |
52.6 |
52.4 |
52.7 |
52.6 |
1.007 |
52.9 |
DI water |
|
72.2 |
72.0 |
|
|
|
72.1 |
|
|
Description of key information
The surface tension of the test item is 52.9 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 52.9
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The study to determine the surface tension of the substance, reaction mass of amines, hydrogenated tallow alkyl and azelaic acid and lithium hydroxide, was performed according to the OECD 115 guideline using ring method (Crane 2018). The method is based on the measurement of the force which it is necessary to exert vertically on a stirrup or ring, in contact with the surface of the liquid, in order to separate it from the surface.
The surface tension of the reaction mass of amines, hydrogenated tallow alkyl and azelaic acid and lithium hydroxide was determined to be 52.9 mN/m.
This is a GLP-compliant and guideline study and is considered reliable without restrictions (Klimisch 1).
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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