Registration Dossier
Registration Dossier
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EC number: 805-580-6 | CAS number: 1431696-36-4
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: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- 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:
- benzyltrimethylazanium 2-hydroxy-2-methylpropanoate
- EC Number:
- 805-580-6
- Cas Number:
- 1431696-36-4
- Molecular formula:
- C14 H23 O3 N
- IUPAC Name:
- benzyltrimethylazanium 2-hydroxy-2-methylpropanoate
- Test material form:
- solid: compact
- Details on test material:
- Name of test material (as cited in study report): Benzenemethanaminium, N, N, N-trimethyl-,2-hydroxy-2- methylpropanoate ( 1: 1) - "BTMA-HIB"
Analytical purity: 95.8 g/1 OOg by 1H-NMR spectroscopy using the internal standard method, molar ratio of cation I anion = 50.5 : 49.5 by
evaluation of the identity via NMR spectrum (determined during the GLP-study No. 12L00135 from the Competence Center Analytics, BASF SE).
Lot/batch No.: VM2001/102
Expiration date of the lot/batch: January 2012
Storage condition of test material: room temperature, under nitrogen, protect from humidity
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 70 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: The test item is not surface-active.
Any other information on results incl. tables
Results:
Test |
Range of values |
Mean value |
Measuring period |
Water as reference |
70.7 to 71.0 mN/m |
70.9 mN/m |
59 min |
Test item 1strun |
69.4 to 69.5 mN/m |
69.5 mN/m |
75 min |
Test item 2ndrun |
69.6 to 69.8 mN/m |
69.8 mN/m |
79 min |
Test item mean value |
70 mN/m |
|
|
The surface tension of an aqueous preparation of the test item (ß = 1 g/l) at 20°C was found to be 70 mN/m.
The test item is not surface-active.
Applicant's summary and conclusion
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