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EC number: 701-003-6 | 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:
- 22 June 2016 to 14 October 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- European Community (EC), EC no. 440/2008, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.5: “Surface Tension”, Official Journal of the European Union no. L142, May 31, 2008.
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no. 115: "Surface Tension of Aqueous Solutions", July 27, 1995.
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Specific details on test material used for the study:
- Batch: RC-1045Study specific test item informationPurity/composition correction factor: No correction factor requiredChemical name (IUPAC), synonym or trade name: Amides, tallow, N,N-bis(2-hydroxypropyl)CAS Number: 1454803-04-3Test item handling: No specific handling conditions required
- Surface tension:
- 57.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Conclusions:
- The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 57.2 mN/m. According to this, the test item is considered to be surface active.
- Executive summary:
The purpose of the study was to determine the physico-chemical properties for MLA-3202.
The surface tension of the test item was determined using the OECD harmonized ring method, in accordance with the following guidelines:
European Community (EC), EC no. 440/2008, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.5: “Surface Tension”, Official Journal of the European Union no. L142, May 31, 2008.
Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no. 115: "Surface Tension of Aqueous Solutions", July 27, 1995.
The surface tension of the test item was determined using the OECD harmonized ring method. The system consists of the following elements: model K6 tensiometer (Krüss, Hamburg, Germany), platinum-iridium ring with a wire radius of 0.185 mm and a ring radius of 9.545 mm and a cylindrical glass vessel with an inside diameter of 45 mm.
An aliquot of 201.4 mg of the test item was stirred with 200 mL double distilled water at 20.1 ± 0.3°C for 18 hours. After the stirring period, a sample of the suspension was centrifuged at 3500 g and 20°C for 5 minutes. In order to remove test item particles floating on the surface of the test sample, the solution was additionally filtered through a 0.45 μm Spartan 30/0.45 RC filter (Whatman, Dassel, Germany). Thereafter, 90 mL of the aqueous phase was mixed with 10 mL double distilled water to obtain the test solution at 90% of the test item saturation solubility in water.
The test solution at 90% of the test item saturation solubility in water was filtered through a 0.45 μm Spartan 30/0.45 RC filter (Whatman, Dassel, Germany). The cylindrical glass vessel was filled with water or test solution and placed in a vessel holder on a mobile sample table.
The time between preparation of the test solution and transferring it to the vessel was 2 minutes. The mobile sample table was raised until the ring was immersed below the surface of the solution. The table was subsequently lowered until the ring was in contact with the liquid surface. The surface tension of the test item was determined using the tensiometer.
Five measurements were performed until a constant value on the surface tension was reached (< 0.5 mN/m). The time passed since the solution was transferred to the measurement vessel was measured for each measurement.
The test was performed at 20.0 ± 0.5°C.
The OECD harmonized ring method was applied for the determination of the surface tension of Amides, tallow, N,N-bis(2-hydroxypropyl).
The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 57.2 mN/m. According to this, the test item is considered to be surface active.
Reference
Surface tension of the test item
Measurement | Time passed after transfer test solution to test vessel [minutes] | Surface tension [mN/m] | ||
Individual | Mean | Mean multiplied by Φband Harkins-Jordan corrected value | ||
1 2 3 4 5 | 18 19 20 21 22 | 58.6 58.9 58.9 58.8 59.0 | 58.8 | 57.2 |
Description of key information
Key value determined in a GLP accredited laboratory study using the OECD harmonized ring method, in accordance with the EU Method A.5 and OECD Guideline 115.
Key value for chemical safety assessment
- Surface tension:
- 57.2
- in mN/m at 20°C and concentration in mg/L:
- 201.4
Additional information
The surface tension of the test item was determined using the OECD harmonized ring method. The system consists of the following elements: model K6 tensiometer (Krüss, Hamburg, Germany), platinum-iridium ring with a wire radius of 0.185 mm and a ring radius of 9.545 mm and a cylindrical glass vessel with an inside diameter of 45 mm.
An aliquot of 201.4 mg of the test item was stirred with 200 mL double distilled water at 20.1 ± 0.3°C for 18 hours. After the stirring period, a sample of the suspension was centrifuged at 3500 g and 20°C for 5 minutes. In order to remove test item particles floating on the surface of the test sample, the solution was additionally filtered through a 0.45 μm Spartan 30/0.45 RC filter (Whatman, Dassel, Germany). Thereafter, 90 mL of the aqueous phase was mixed with 10 mL double distilled water to obtain the test solution at 90% of the test item saturation solubility in water.
The test solution at 90% of the test item saturation solubility in water was filtered through a 0.45 μm Spartan 30/0.45 RC filter (Whatman, Dassel, Germany). The cylindrical glass vessel was filled with water or test solution and placed in a vessel holder on a mobile sample table.
The time between preparation of the test solution and transferring it to the vessel was 2 minutes. The mobile sample table was raised until the ring was immersed below the surface of the solution. The table was subsequently lowered until the ring was in contact with the liquid surface. The surface tension of the test item was determined using the tensiometer.
Five measurements were performed until a constant value on the surface tension was reached (< 0.5 mN/m). The time passed since the solution was transferred to the measurement vessel was measured for each measurement.
The test was performed at 20.0 ± 0.5°C.
The OECD harmonized ring method was applied for the determination of the surface tension of Amides, tallow, N,N-bis(2-hydroxypropyl).
The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 57.2 mN/m. According to this, the test item is considered to be surface active.
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