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EC number: 500-315-8 | CAS number: 127087-87-0 1 - 2.5 moles ethoxylated
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-01-20 – 2017-01-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 122
- Principles of method if other than guideline:
- A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage
- GLP compliance:
- no
Test material
- Reference substance name:
- 4-Nonylphenol, branched, ethoxylated
- EC Number:
- 500-315-8
- EC Name:
- 4-Nonylphenol, branched, ethoxylated
- Cas Number:
- 127087-87-0
- Molecular formula:
- C25H44O6
- IUPAC Name:
- 2-{2-[2-(4-nonylphenoxy)ethoxy]ethoxy}ethan-1-ol
- Test material form:
- liquid
- Details on test material:
- - Name of test material: Poly (oxy-1,2-ethanediyl), alpha-(4-nonylphenyl)-omega-hydroxy-, branched
- Molecular formula: C17 H28 O2
- InChl: InChI=1S/C17H28O2/c1-2-3-4-5-6-7-8-9-16-10-12-17(13-11-16)19-15-14-18/h10-13,18H,2-9,14-15H2,1H3
- Substance type: Organic
- Physical state: Liquid
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: Poly (oxy-1,2-ethanediyl), alpha-(4-nonylphenyl)-omega-hydroxy-, branched
- Molecular formula: C17 H28 O2
- InChl: InChI=1S/C17H28O2/c1-2-3-4-5-6-7-8-9-16-10-12-17(13-11-16)19-15-14-18/h10-13,18H,2-9,14-15H2,1H3
- Substance type: Organic
- Physical state: Liquid
Results and discussion
pH value
- pH value:
- 5.95
- Temp.:
- 26 °C
- Concentration:
- 1 other: %w/v
Applicant's summary and conclusion
- Conclusions:
- pH of 1% w/v aqueous solution of the test substance Poly (oxy-1,2-ethanediyl), alpha-(4-nonylphenyl)-omega-hydroxy-, branched (CAS No 127087-87-0) is 5.95 at 26 °C.
- Executive summary:
pH of 1% w/v aqueous solution of the test substance Poly (oxy-1,2-ethanediyl), alpha-(4-nonylphenyl)-omega-hydroxy-, branched (CAS No127087 -87 -0) is 5.95 at 26 °C. Thus, 1% solution can be considered to be acidic in pH
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