Registration Dossier
Registration Dossier
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EC number: 700-924-0 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2013
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- disodium 4-hydroxy-3-[(E)-2-[4-({4-[(E)-2-(1-hydroxy-4-sulfonaphthalen-2-yl)diazen-1-yl]-3-methoxyphenyl}(phenyl)methyl)-2-methoxyphenyl]diazen-1-yl]naphthalene-1-sulfonate
- EC Number:
- 700-924-0
- Molecular formula:
- C41H30N4Na2O10S2
- IUPAC Name:
- disodium 4-hydroxy-3-[(E)-2-[4-({4-[(E)-2-(1-hydroxy-4-sulfonaphthalen-2-yl)diazen-1-yl]-3-methoxyphenyl}(phenyl)methyl)-2-methoxyphenyl]diazen-1-yl]naphthalene-1-sulfonate
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 58.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1.01 g/L
- Remarks on result:
- other: Due to the high water solubility of approximately 60 g/L, a solution with a concentration of 1.01 g/L was prepared and measured twice.
Applicant's summary and conclusion
- Conclusions:
- the test item is to be regarded as surface active material
- Executive summary:
the surface tension at 20°C of the test item Acid Red RN 2949 was determined to be: σ = 58.3 mN/m According to EC No. 440/2008 Part A. Method A.5. the test item is to be regarded as surface active material.
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