Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05/2014
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: study report

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report Date:
2014

Materials and methods

Principles of method if other than guideline:
pH value is determined in two concentrations of test substance solutions in aqueous phase.
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid: viscous
Details on test material:
- Name of test material (as cited in study report): Reaction mass of 2,2'-iminodiethanol and 2-{[bis(2-hydroxyethyl)amino]methyl}-4-[2-(4-hydroxyphenyl)propan-2-yl]phenol and 2,2-bis(4-hydroxyphenyl)propane and 2-{[bis(2-hydroxyethyl)amino]methyl}-4-[2-(3-{[bis(2-hydroxyethyl)amino]methyl}-4-hydroxyphenyl)propan-2-yl]phenol
- Appearance: viscous, clear, yellowish liquid

Results and discussion

pH valueopen allclose all
pH value:
10.1
Concentration:
ca. 1 other: % (w/w)
Remarks on result:
other: concentration ratio 1:99; 0.99 g test item and 99.10 g water
pH value:
10.5
Concentration:
ca. 10 other: % (w/w)
Remarks on result:
other: concentration ratio 1:9; 1.0 g test item and 9.12 g water

Applicant's summary and conclusion

Executive summary:

The pH value is determined in two concentrations of test substance solutions in aqueous phase. The pH value of the test item is concluded to be 10.1 at 0.1 % (w/w) and 10.5 at 10 % (w/w).