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EC number: 618-829-7 | CAS number: 922165-31-9
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28 March-27 June 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant study, not according to guideline but result is reliable
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- During the study on water solubility using the flask method (see section 4.8), the pH of the equilibrated water samples was determined.
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 1,4-bis[2-(2-ethoxyethoxy)ethyl] cyclohexane-1,4-dicarboxylate
- EC Number:
- 618-829-7
- Cas Number:
- 922165-31-9
- Molecular formula:
- C20H36O8
- IUPAC Name:
- 1,4-bis[2-(2-ethoxyethoxy)ethyl] cyclohexane-1,4-dicarboxylate
- Details on test material:
- Identification: Neosolue-Aqulio
Molecular formula: C20H36O8
Molecular weight: 404.5
CAS Number: 922165-31-9
Description: Clear colourless to very pale yellow liquid
Batch: TVI-714
Purity: 99.5% (GC)
Test substance storage: At room temperature in the dark
Stability under storage conditions: Stable
Expiry date: 07 October 2012 (Retest date)
Constituent 1
Results and discussion
pH value
- pH value:
- 3.6
- Temp.:
- 20 °C
- Concentration:
- 51.1 g/L
Any other information on results incl. tables
The results for the samples taken at 24, 48 and 72 hours are given in the Table below. The first value is for the two times centrifuged samples and the second value for the three times centrifuged samples.
Stirring time |
Analysed concentration |
Mean |
MD |
pH |
24 |
61.8(A) |
51.1 |
4.2 |
3.6 |
|
51.6 |
|
|
3.6 |
48 |
49.7 |
|
|
3.6 |
|
51.8 |
|
|
3.6 |
72 |
50.9 |
|
|
3.6 |
|
51.5 |
|
|
3.6 |
(A)Considered to be an outlier according to Dixons-Q test, therefore excluded from calculations
The pH of the aqueous samples at 20°C and a concentration of 51.1 g/l was 3.6.
Applicant's summary and conclusion
- Conclusions:
- The pH of an aqueous solution of the test substance (concentration 51.1. g/L) at 20°C is 3.6.
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