Registration Dossier
Registration Dossier
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EC number: 253-452-8 | CAS number: 37294-49-8
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- December 18, 2013 - July 17, 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was performed in accordance with OECD guideline 115.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- (1995)
- Qualifier:
- according to guideline
- Guideline:
- other: ISO Standard 304-1985
- GLP compliance:
- no
- Type of method:
- ring method
Test material
- Reference substance name:
- Disodium C-isodecyl sulphonatosuccinate
- EC Number:
- 253-452-8
- EC Name:
- Disodium C-isodecyl sulphonatosuccinate
- Cas Number:
- 37294-49-8
- Molecular formula:
- C14H26O7S.2Na
- IUPAC Name:
- disodium 4-[(2-methylnonyl)oxy]-4-oxo-3-sulfonatobutanoate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Name of test material (as cited in study report): Disodium Isodecyl Sulfosuccinate
Description: white powder
Storage conditions of test material: at room temperature in well-sealed container
The substance was tested as received.
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 46.1 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: mean of 4 measurements (see table below)
Any other information on results incl. tables
Table: Surface tension results
Surface tension of sample #1 [mN/m] |
Surface tension of sample #2 [mN/m] |
Equilibrium time from time of preparation |
46.1 |
46.2 |
4 hours |
46.1 |
46.1 |
5 hours |
Applicant's summary and conclusion
- Conclusions:
- In a OECD 115 guideline study using the ring method, the surface tension of a 1 g/L aqueous solution of the substance has been determined as 46.1 mN/m at 20°C. Because this is < 60 mN/m, the substance is surface active according to the EC A.5 guideline.
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