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EC number: 700-296-8 | CAS number: 61337-89-1
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 January 2018 - 02 August 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2016
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- {2-[(2R)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl}methanol; {2-[(2S)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl}methanol
- EC Number:
- 700-296-8
- Cas Number:
- 61337-89-1
- Molecular formula:
- C17-H21-N3-O
- IUPAC Name:
- {2-[(2R)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl}methanol; {2-[(2S)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl}methanol
- Test material form:
- solid: particulate/powder
- Details on test material:
- Physical appearance: white powder
Storage conditions: at room temperature
Constituent 1
- Specific details on test material used for the study:
- Water solubility > 1 g/L
Results and discussion
Surface tension
- Key result
- Surface tension:
- 59.72 N/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: mean value (n=5)
Any other information on results incl. tables
Table: Surface tension measurements
Measurement |
Time passed measurement start |
Surface tension [mN/m] |
||
individual (Harkins-Jordan corrected values) |
mean (1) |
|||
1 |
38.86 |
59.66 |
59.72 |
|
2 |
65.24 |
59.74 |
||
3 |
91.55 |
59.73 |
|
|
4 |
118.60 |
59.74 |
|
|
5 |
144.38 |
58.75 |
|
|
(1) Mean = Harkins-Jordan corrected.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of an aqueous solution of the substance at a concentration of 1 g/L was determined to be 59.72 mN/m (at 20°C).
Based on this result the substance has to be regarded as surface active.
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