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EC number: 245-048-5 | CAS number: 22509-74-6
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 02 May 2016 to 24 June 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2008
- 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:
- Ethyl 1,3-dihydro-1,3-dioxo-2H-isoindole-2-carboxylate
- EC Number:
- 245-048-5
- EC Name:
- Ethyl 1,3-dihydro-1,3-dioxo-2H-isoindole-2-carboxylate
- Cas Number:
- 22509-74-6
- Molecular formula:
- C11H9NO4
- IUPAC Name:
- ethyl 1,3-dioxo-2,3-dihydro-1H-isoindole-2-carboxylate
- Test material form:
- solid
- Details on test material:
- - Appearance: white solid
- Storage conditions of test material: in refrigerator (2-8°C)
Constituent 1
Results and discussion
Surface tension
- Key result
- Surface tension:
- 70.5 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: Conc.= 90% of the saturation solubility
Any other information on results incl. tables
Table: Surface tension measurements
| Measurement | Time passed after transfer test solution to test vessel [minutes] |
Surface tension [mN/m] |
||
| Individual | Mean (1) | Mean multiplied by Fb , Harkins-Jordan corrected value |
||
| 1 | 16 | 69.2 | ||
| 2 | 17 | 69.7 | 69.9 | 70.5 |
| 3 | 18 | 70.0 | ||
| 4 | 19 | 70.0 | ||
| 5 | 20 | 69.9 | ||
| 6 | 21 | 69.8 | ||
(1) Calculated from measurements 2 to 6 after equilibrium was reached.
Applicant's summary and conclusion
- Conclusions:
- The surface tension at 20°C of an aqueous solution of Carbaethoxyphthalimid at 90% of the saturation solubility was determined to be 70.5 mN/m.
- Executive summary:
Using the OECD harmonized ring method in a GLP study according to EC A.5 and OECD 115, the surface tension at 20°C of an aqueous solution of Carbaethoxyphthalimid at 90% of the saturation solubility was determined to be 70.5 mN/m. According to the EC A.5 guideline the substance is not surface active.
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