Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: In-house method for pH measurements

Data source

Materials and methods

Principles of method if other than guideline:
Determination of pH in aqueous solution with a glass-calomel electrode system (in-house method)

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

pH valueopen allclose all
pH value:
ca. 6.47
Temp.:
20 °C
Remarks on result:
other: SD = 0.38; TEG TETRA
pH value:
ca. 9.2
Temp.:
10 °C
Remarks on result:
other: TEG residue

Applicant's summary and conclusion

Conclusions:
Reaction mass of 2,2'-(Ethylenedioxy)diethanol and 3,6,9-Trioxaundecane-1,11-diol has an average pH value of 6.47 with a standard devation of 0.38.