Registration Dossier
Registration Dossier
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EC number: 276-432-0 | CAS number: 72162-46-0
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: ISO-Guidelinestudy without deviations
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:
- other: ISO 4311
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- other: Determination of critical micelle concentration via surface tension
Test material
- Reference substance name:
- N-[3-(isodecyloxy)propyl]propane-1,3-diamine
- EC Number:
- 276-432-0
- EC Name:
- N-[3-(isodecyloxy)propyl]propane-1,3-diamine
- Cas Number:
- 72162-46-0
- Molecular formula:
- C16H36N2O
- IUPAC Name:
- (3-aminopropyl)({3-[(2-methylnonyl)oxy]propyl})amine
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- >= 0.17 - <= 0.25 g/L
- Temp.:
- 20 °C
- pH:
- ca. 7
- Details on results:
- A plot of surface tension against logarithm of concentration is shown in Fig. 1. The data was fitted with two straight lines. The intersection of the lines at 0.21 g/L is taken as the critical micelle concentration (cmc). The standard error in the cmc is estimated from the uncertainty of the slope of the low concentration line and of the position of the high concentration one to be ± 0.04 g/L.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): slightly soluble (0.1-100 mg/L)
The critical micelle concentration of N-[3-(isodecyloxy)propyl]propane-1,3-diamine at 20 °C is: 0.21 ± 0.04 g/L The critical micelle concentration is the appropriate parameter describing water solubility of surface active materials. - Executive summary:
The critical micelle concentration of N-[3-(isodecyloxy)propyl]propane-1,3-diamine at 20 °C is: 0.21 ± 0.04 g/L The critical micelle concentration is the appropriate parameter describing water solubility of surface active materials.
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