Registration Dossier
Registration Dossier
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EC number: 604-261-7 | CAS number: 141914-99-0
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: Test performed according 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:
- EU Method A.5 (Surface Tension)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- 1,1,2,3-tetramethyl-1H-benzo[e]indol-3-ium 4-methylbenzene-1-sulfonate
- Cas Number:
- 141914-99-0
- Molecular formula:
- C23H25NO3S
- IUPAC Name:
- 1,1,2,3-tetramethyl-1H-benzo[e]indol-3-ium 4-methylbenzene-1-sulfonate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Identification V173520
Appearance White powder (determined by WIL Research Europe)
Purity/Composition Not indicated
Test substance storage At room temperature
Stable under storage conditions until 20 April 2017 (expiry date)
Stability at higher temperatures Yes, maximum temperature: 50°C(drying), maximum duration: 24 h
Molecular formula C23H25NO3S
Molecular weight 395.53
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 69.1 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Applicant's summary and conclusion
- Conclusions:
- The OECD harmonized ring method was applied for the determination of the surface tension of V173520.
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 69.1 mN/m. According to this, the test substance is considered not to be surface active.
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