Registration Dossier
Registration Dossier
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EC number: 695-735-2 | CAS number: 68489-14-5
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June - September 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- ethyl 2-{[(1R,2S,5R)-5-methyl-2-(propan-2-yl)cyclohexyl]formamido}acetate
- EC Number:
- 695-735-2
- Cas Number:
- 68489-14-5
- Molecular formula:
- C15H27NO3
- IUPAC Name:
- ethyl 2-{[(1R,2S,5R)-5-methyl-2-(propan-2-yl)cyclohexyl]formamido}acetate
Constituent 1
- Specific details on test material used for the study:
- CAS number: 68489-14-5
Physical state/appearance: White solid
Expiry date: 12 September 2018
Storage conditions: Room temperature (nominally 15 to 25°C), dark
Results and discussion
Surface tension
- Key result
- Surface tension:
- 51.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Remarks on result:
- other:
- Remarks:
- Concentration approximately 70 mg/L
Any other information on results incl. tables
Table 1. Results of the different runs.
| Time (minutes) | Surface Tension |
|||
| Measured | Calibration Corrected | |||
| A | B | A | B | |
| 0 | 53.5 | 53.5 | 54.4 | 54.4 |
| 5 | 53.5 | 53.0 | 54.4 | 53.9 |
| 10 | 53.5 | 53.5 | 54.4 | 54.4 |
| 15 | 53.5 | 53.5 | 54.4 | 54.4 |
| 20 | 53.0 | 53.0 | 53.9 | 53.9 |
| 25 | 53.0 | 53.0 | 53.9 | 53.9 |
| 30 | 53.5 | 53.0 | 54.4 | 53.9 |
Applicant's summary and conclusion
- Conclusions:
- The surface tension of a 90% saturated solution of the test item was found to be 51.5 mN/m. As the result is less than 60 mN/m, the test item was considered to be surface active.
- Executive summary:
The surface tension of the test substance was measured according to OECD TG 115 and EU method A.5. The surface tension of a 90% saturated solution of the test item was found to be 51.5 mN/m, and therefore is considered to be surface active.
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