Registration Dossier
Registration Dossier
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EC number: 451-330-0 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 1 July 2020 to 22 July 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM D1331 - 11 Standard Test Methods for Surface and lnterfacial Tension of Solutions of Surface-Active Agents
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one
- Cas Number:
- 357650-26-1
- Molecular formula:
- C11H18O
- IUPAC Name:
- (2E,5Z)-5,6,7-trimethylocta-2,5-dien-4-one
- Reference substance name:
- (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one
- Cas Number:
- 847144-75-6
- Molecular formula:
- C11H18O
- IUPAC Name:
- (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one
- Test material form:
- liquid
Constituent 1
Constituent 2
- Specific details on test material used for the study:
- Aspect: Yellow liquid
Purity 94.0 %
Expiration date: July 17, 2021
Results and discussion
Surface tension
- Key result
- Surface tension:
- 44.7 mN/m
- Temp.:
- 20 °C
- Conc.:
- 590.08 mg/L
Any other information on results incl. tables
The results of the test are:
| Determination | Surface Tension reading (mN/m) |
| 1 | 44.4 |
| 2 | 43.4 |
| 3 | 44.3 |
| 4 | 44.9 |
| 5 | 44.8 |
| 6 | 43.7 |
| 7 | 44.3 |
| 8 | 43.6 |
| 9 | 44.2 |
| 10 | 44.9 |
| Mean reading | 44.3 |
Applicant's summary and conclusion
- Conclusions:
- The results show that there is no significant change of the measured surface tension. Thus it can be concluded that equilibrium is reached. The results obtained were averaged, to give the surface tension of the solution.
The result is: 44.3 mN/m
Therefore, according to this test, it was considered that the test material is surface active (surface tension< 60 mN/m). - Executive summary:
The surface tension of a solution of Pomarose in ultrapure water was determined according to the OECD Guideline No. 115, using the ring method.
The result is: 44.3 mN/m
Therefore, according to this test, it was considered that the test material is surface active (surface tension <60 mN/m).
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