Registration Dossier
Registration Dossier
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EC number: 210-088-4 | CAS number: 605-50-5
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27 May - 02 September 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Conducted according to OECD guidelines and GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
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:
- OECD harmonised ring method
Test material
- Reference substance name:
- Diisoamyl phthalate
- IUPAC Name:
- Diisoamyl phthalate
- Details on test material:
- - Name of test material (as cited in study report): Diisoamyl phthalate
- Substance type: organic
- Physical state: liquid
- Analytical purity: 100%
- Lot/batch No.: 7920-1-1
- Expiration date of the lot/batch:12 August 2012
- Storage condition of test material: room temperature in the dark
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 58 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Remarks on result:
- other: Harkins-Jordan* corrected value
Any other information on results incl. tables
Overall mean calibration corrected surface tension = 60.0 mN/m
Harkins-Jordan corrected value = 58.0 mN/m
Time |
Surface tension (mN/m) |
|||
(minutes) |
Measured |
Calibration corrected |
||
|
A |
B |
A |
B |
|
|
|
|
|
0 |
59.0 |
63.0 |
58.5 |
62.5 |
5 |
61.0 |
61.5 |
60.5 |
61.0 |
10 |
60.0 |
60.0 |
59.5 |
59.5 |
15 |
59.5 |
60.5 |
59.0 |
60.0 |
20 |
59.5 |
60.5 |
59.0 |
60.0 |
25 |
59.0 |
61.0 |
58.5 |
60.5 |
30 |
60.0 |
61.0 |
59.5 |
60.5 |
|
|
|
|
|
Applicant's summary and conclusion
- Conclusions:
- The surface tension of a 90% saturated aqueous solution of Diisoamyl phthalate was found to be 58.0 mN/m. As the result was less than 60 mN/m, the test substance was considered to be surface active.
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