Registration Dossier
Registration Dossier
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EC number: 239-555-0 | CAS number: 15520-05-5
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: DIN EN 1262
- Deviations:
- no
- Principles of method if other than guideline:
- Field of Application: Determination of the pH value of solutions or dispersions of surface active agents.
Principle: The pH value of a test sample solution or dispersion is determined by potentiometric measurement with a glass/calomel electrode and a pH meter. The method is applicable to aqueous solutions containing anionic, cationic and non-ionic surface active agents, ampholytic surface active agents and products in solution containing surface active agents.
Test material
- Reference substance name:
- 2,2'-(octylimino)bisethanol
- EC Number:
- 239-555-0
- EC Name:
- 2,2'-(octylimino)bisethanol
- Cas Number:
- 15520-05-5
- Molecular formula:
- C12H27NO2
- IUPAC Name:
- 2-[(2-hydroxyethyl)(octyl)amino]ethan-1-ol
- Test material form:
- other: liquid
Constituent 1
Results and discussion
pH value
- pH value:
- 11.6
- Temp.:
- 23 °C
- Concentration:
- 5 other: %(w/w)
- Remarks on result:
- other: water/etanol mixtures (1/1)
Any other information on results incl. tables
A solution of 5 % (w/w) test substance in deionised water/ethanol = 1/1 (v/v) was prepared.
The pH value of the solution was measured at room temperature (23 °C).
| sample weight[g] | total weightof solution[g] | conc. of finalsolution[%, m/m] | pH |
| 1,5064 | 30,0127 | 5,02 | 11,6 |
Applicant's summary and conclusion
- Conclusions:
- pH (5 % (w/w) in water/ethanol 1/1): 11.6 at 23°C
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