Registration Dossier

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:
2017
Report Date:
2017

Materials and methods

Test guideline
Qualifier:
according to
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
Name:
Unnamed
Type:
Constituent
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
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