Registration Dossier
Registration Dossier
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EC number: 951-458-1 | CAS number: -
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:
- 20 February 2020 - 30 Jul 2020
- 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:
- March 04, 2016
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- July 27, 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Specific details on test material used for the study:
- Physical Description: Light orange liquid
Purity/Composition: UVCB
Storage Conditions: At room temperature protected from light
Purity/Composition correction factor: No correction factor required
Test item handling: Use amber glassware or wrap container in aluminum foil
Chemical name: 2,2-bis[({3-[methyl(phenyl)amino]propanoyl}oxy)methyl]butyl 3-[methyl(phenyl)amino]propanoate - Surface tension:
- 68.43 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % test item saturation solublity
- Conclusions:
- The OECD harmonized ring method was applied for the determination of the surface tension of the test item.
The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 68.43 mN/m. Because the surface tension was ≥ 60 mN/m, the test item is considered not to be surface active. - Executive summary:
Information Guideline(s) Result Comment Surface tension EC A.5 68.43 mN/m at 20°C by the harmonized ring method OECD 115 (not surface active)
Reference
The results of the test on the determination of the surface tension of the test solution are given in the table below. The individual measurements were obtained with a coefficient of variation of < 0.2 mN/m.
Surface Tension of the Test Item
| Measurement | Time passed after measurement start | Surface tension | |
| (mN/m) | |||
| [seconds] | individual σ multiplied by | mean σ | |
| Harkins-Jordan corrected value | |||
| 1 | 41 | 68.89 | 68.43 |
| 2 | 67 | 68.61 | |
| 3 | 94 | 68.48 | |
| 4 | 120 | 68.42 | |
| 5 | 148 | 68.33 | |
| 6 | 175 | 68.28 | |
Mean calculated from measurements 2 to 6, after equilibrium was reached.
Description of key information
Study conducted to recognised testing guidelines with GLP certification.
Key value for chemical safety assessment
- Surface tension:
- 68.43
Additional information
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