Registration Dossier
Registration Dossier
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EC number: 944-011-7 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study, to GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- 3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-6-yl pivalate
- EC Number:
- 268-259-4
- EC Name:
- 3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-6-yl pivalate
- Cas Number:
- 68039-44-1
- Molecular formula:
- C15H22O2
- IUPAC Name:
- 3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoinden-6-yl pivalate
- Reference substance name:
- 3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-5-yl pivalate
- EC Number:
- 268-261-5
- EC Name:
- 3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-inden-5-yl pivalate
- Cas Number:
- 68039-45-2
- Molecular formula:
- C15H22O2
- IUPAC Name:
- 3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoinden-5-yl pivalate
- Reference substance name:
- rel-(1R,2S,3aR,4S,5R,6aS,7R)-octahydro-1,5:2,4-dimethanopentalen-7-yl pivalate
- Molecular formula:
- C15H22)2
- IUPAC Name:
- rel-(1R,2S,3aR,4S,5R,6aS,7R)-octahydro-1,5:2,4-dimethanopentalen-7-yl pivalate
- Test material form:
- other: liquid, may crystalize to white solid
Constituent 1
Constituent 2
impurity 1
- Specific details on test material used for the study:
- Details on Test Material
- Name of test material (as cited in study report): Pivacyclene
- Physical state: Colourless to pale yellow liquid, may crystalize.
- Analytical purity: >=92.0 %
- Lot/batch No.: SC00004118
- Expiration date of the lot/batch: 17 July 2014.
- Stability under test conditions: Stable.
- Storage condition of test material: Protect from light. Refrigerated at 2 to 8 °C
Results and discussion
Surface tension
- Key result
- Surface tension:
- 60.72 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: Concentration ~90% of saturation concentration. With application of the Harkins Jordan correction factor.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of an aqueous solution of Pivacyclene (90% saturated) at 20 °C is 60.72 mN/m (Harkins - Jordan corrected value). Thus, Pivacyclene is not considered to be surface active.
- Executive summary:
In an OECD guideline study (TG 115, ring method), conducted to GLP, the surface tension of a solution of Pivacyclene ( ~90% of the saturation concentration) at 20 °C was determined to be 60.72 mN/m (Harkins - Jordan corrected value). Therefore, Pivacyclene was not considered to be surface active (surface tension < 60 mN/m).
The apparatus was calibrated with double-distilled water; this gave a correction factor of 1.0099 to be applied to the test results. A sample from the water solubility test was diluted to 90% with double-distilled water.
The measured surface tension for a 90% saturated solution of pivacyclene in double-distilled water was 61.15 mN/m at 20 °C. With the application of the correction for the calibration factor (F), the surface tesnion was 61.72 mN/m at 20 °C.
With application of the Harkins Jordan correction factor, the surface tension was 60.72 mN/m.
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