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EC number: 250-796-0 | CAS number: 31774-90-0
- 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:
- 2017
- 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:
- equivalent or similar to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- ring method
- Specific details on test material used for the study:
- Name: Ethyltris(2-hydroxyethyl)ammonium ethyl sulphate
Product Description: Triethanolamine DES Quat
CAS No.: 31774-90-0
Physical state: colourless to yellow viscous liquid at 20 °C
Batch No.: PFS-755-175
Re-certification date of batch: 21 April 2018
Purity: 100 % (UVCB, water content 0.33 % (w/w))
pH, 5% in water 7.85
Acid Value , mg KOH/g 38.45
Moisture, % 0.33
Total Amine, mg/g 33.10
Viscosity,cps, #4@60,25C 1580
Stability: stable under test conditions
Storage condition of test material: Room temperature, protected from light - Key result
- Surface tension:
- ca. 71.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 997 mg/L
- Remarks on result:
- other: age of the solution: 241 min
- Key result
- Surface tension:
- 71.1 mN/m
- Temp.:
- 20 °C
- Conc.:
- 929 mg/L
- Remarks on result:
- other: age of the solution: 88 min
- Conclusions:
- The test item Ethyltris(2-hydroxyethyl)ammonium ethyl sulphate has a surface tension of 72.0 mN/m (c=approx. 1 g/l) in accordance with the test method A.5. "Surface Tension" as described in the Commission Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), also similar to OECD guideline for testing of chemicals OECD 115.
- Executive summary:
The surface tension of the test item Ethyltris(2-hydroxyethyl)ammonium ethyl sulphate was determined in accordance with the test method A.5. "Surface Tension" as described in the Commission Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), also similar to OECD guideline for testing of chemicals OECD 115. The test item Ethyltris(2-hydroxyethyl)ammonium ethyl sulphate has a surface tension of 72.0 mN/m (c=approx. 1 g/l) in accordance with the test method A.5. "Surface Tension" as described in the Commission Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), also similar to OECD guideline for testing of chemicals OECD 115.
Reference
Quantitative Determination
Two different samples were prepared. The surface tension should be measured, if the solutions are in an equilibrium state. The solution in the measuring vessel is approximately in equilibrium, if the measured surface tension is nearly constant (deviation ≤ 0.1 mN/m).
The average of 6 single measurements was determined per solution. In this case the total measuring time was more than 1000s per solution.
Water calibration: Temp. = 21 °C, rho = 0.998 g/cm3
Surface tension of purified water | |
Value 1 | 71.8 mN/m |
Value 2 | 71.8 mN/m |
Value 3 | 71.7 mN/m |
Value 4 | 71.7 mN/m |
Value 5 | 71.6 mN/m |
Value 6 | 71.3 mN/m |
Arithmetic mean | 71.7 mN/m |
Standard deviation | 0.2 mN/m |
First test solution: c = 929 mg/l, Temp. = 21 °C, rho = 0.998 g/cm3, age of the solution: 88 min
Surface tension of the solution | |
Value 1 | 71.1 mN/m |
Value 2 | 71.1 mN/m |
Value 3 | 71.1 mN/m |
Value 4 | 71.1 mN/m |
Value 5 | 71.1 mN/m |
Value 6 | 71.1 mN/m |
Arithmetic mean | 71.1 mN/m |
Standard deviation | 0.0 mN/m |
Second test solution: c = 997 mg/l, Temp. = 21 °C, rho = 0.998 g/cm3, age of the solution: 241 min
Surface tension of the solution | |
Value 1 | 71.4 mN/m |
Value 2 | 71.4 mN/m |
Value 3 | 71.5 mN/m |
Value 4 | 71.5 mN/m |
Value 5 | 71.5 mN/m |
Value 6 | 71.4 mN/m |
Arithmetic mean | 71.5 mN/m |
Standard deviation | 0.1 mN/m |
Description of key information
The test item Ethyltris(2-hydroxyethyl)ammonium ethyl sulphate has a surface tension of 72.0 mN/m (c=approx. 1 g/l) in accordance with the test method A.5. "Surface Tension" as described in the Commission Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), also similar to OECD guideline for testing of chemicals OECD 115.
Key value for chemical safety assessment
- Surface tension:
- 72
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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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