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EC number: 931-209-3 | CAS number: 1337540-53-0
- 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:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- REPORTING FORMAT FOR THE ANALOGUE APPROACH
1. HYPOTHESIS FOR THE ANALOGUE APPROACH
This read-across is based on the hypothesis that source and target substances have similar (eco)toxicological properties because
• they share structural similarities with common functional groups: One quaternised ethanolamine moiety, one to three, mainly two ester groups with a typical UVCB distribution with long-chain fatty acids of natural origin. The molecular structure is almost identical.
• they are manufactured from similar resp. identical precursors (triethanolamine, long-chain fatty acids, dimethyl sulphate) under similar conditions. Therefore, common breakdown products via physical and biological processes, which result in structurally similar chemicals are evident
• A constant pattern in the changing of the potency of the properties across the TEA-Esterquats by chain-length and the grade of esterification is not observed, because the fatty acid chain-length distribution is too narrow and similar and the distribution of mono-, di-, and tri-esters is identical. Some variation caused by variation in C=C double bonds may occur and will be discussed at the relevant endpoint.
2. SOURCE AND TARGET CHEMICAL(S) (INCLUDING INFORMATION ON PURITY AND IMPURITIES)
See justification for read-across attached to chapter 13 of this IUCLID file.
3. ANALOGUE APPROACH JUSTIFICATION
See justification for read-across attached to chapter 13 of this IUCLID file.
4. DATA MATRIX
See justification for read-across attached to chapter 13 of this IUCLID file. - Reason / purpose for cross-reference:
- read-across: supporting information
- Reason / purpose for cross-reference:
- read-across source
- Surface tension:
- 41.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of the analogue source test substance "partially unsaturated TEA-Esterquat" was examined in a study conducted according to OECD Guideline 115 and EU-Method A.5 (ring method). The mean surface tension of an aqueous solution of 1 g/L AE 425/03 was determined at 41.8 mN/m at 20°C. Because the test item shows a surface tension lower than 60 mN/m, the test item has surface active properties.
- Executive summary:
The surface tension of the analogue source test substance "partially unsaturated TEA-Esterquat" was examined in a study conducted according to OECD Guideline 115 and EU-Method A.5 (ring method). The mean surface tension of an aqueous solution of 1 g/L AE 425/03 was determined at 41.8 mN/m at 20°C. Because the test item shows a surface tension lower than 60 mN/m, the test item has surface active properties.
It can be expected that the study results are also applicable to the target substance fully saturated TEA-Esterquat.
Reference
Surface tension of partially unsaturated TEA-Esterquat at a test concentration of 1 g/L and 20°C
No. |
Time (min) |
sg measured (mN/m) |
sg x Fb=s* 1. correction (mN/m) |
f (Harkins & Jordan)1 |
s* x f=s 2. correction (mN/m) |
1 |
0 |
41.5 |
43.3 |
0.9590 |
41.5 |
2 |
5 |
41.8 |
43.6 |
0.9594 |
41.8 |
3 |
10 |
41.8 |
43.6 |
0.9594 |
41.8 |
4 |
15 |
41.9 |
43.7 |
0.9596 |
41.9 |
5 |
20 |
41.9 |
43.7 |
0.9596 |
41.9 |
6 |
25 |
41.9 |
43.7 |
0.9596 |
41.9 |
Surface tension: mean (mN/m) |
41.8 |
||||
Std. Deviation: (mN/m) |
0.15 |
||||
% Std. Dev. |
0.36 |
1) Correction factors according to Harkins & Jordan: f include a specific apparatus correction factor given by the company ‘Krüss, wissenschaftliche Laborgeräte, Germany’
The mean surface tension of an aqueous solution of 1 g/L partially unsaturated TEA-Esterquat was determined at 41.8 mN/m at 20°C. Because the test item shows a surface tension lower than 60 mN/m, the test item has surface active properties.
Description of key information
Surface tension =41.8 mN/m at 20°C in a 1 g/L aqeueous solution.
Key value for chemical safety assessment
- Surface tension:
- 41.8
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
No experimental data are available for the target substance fully saturated TEA-Esterquat. However, the surface tension was determined for the source substance partially unsaturated TEA-Esterquat. A justification for read-across is attached to Iuclid section 13.
The data are read across from partially unsaturated TEA-Esterquat which has an almost identical structure. The surface tension of partially unsaturated TEA-Esterquat was examined in a study conducted according to OECD Guideline 115 and EU-Method A.5 (ring method).The mean surface tension of an aqueous solution of 1 g/L partially unsaturated TEA-Esterquat was determined at 41.8 mN/m at 20°C. Because the test item shows a surface tension lower than 60 mN/m, the test item has surface active properties.
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