Registration Dossier
Registration Dossier
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EC number: 213-126-8 | CAS number: 925-83-7
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 06 Aug 2018 - 19 Oct 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
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2016
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- Sebacohydrazide
- EC Number:
- 213-126-8
- EC Name:
- Sebacohydrazide
- Cas Number:
- 925-83-7
- Molecular formula:
- C10H22N4O2
- IUPAC Name:
- sebacohydrazide
- Test material form:
- solid: particulate/powder
- Details on test material:
- Test item name (as stated in report): SDH
Test item storage: at room temperature protected from light
Constituent 1
Results and discussion
Surface tension
- Key result
- Surface tension:
- 69.9 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: Conc.= 90% of test item saturation solubility in water.
Any other information on results incl. tables
Table: Surface tension measurements
Measurement |
Time passed after measurement start |
Surface tension |
|
individual σ multiplied by Harkins-Jordan corrected value |
mean σ multiplied by Harkins-Jordan corrected value |
||
1 |
41.59 |
70.07 |
69.90 |
2 |
68.32 |
69.90 |
|
3 |
95.29 |
69.88 |
|
4 |
122.03 |
69.86 |
|
5 |
148.69 |
69.81 |
|
Applicant's summary and conclusion
- Conclusions:
- The surface tension of an aqueous substance solution at 90% of its saturation solubility in water was determined to be 69.90 mN/m (at 20°C).
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