Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
(17β)-3-Hydroxyestra-1,3,5(10)-trien-17-yl acetate
EC Number:
605-722-5
Cas Number:
1743-60-8
Molecular formula:
C20H26O3
IUPAC Name:
(17β)-3-Hydroxyestra-1,3,5(10)-trien-17-yl acetate
Test material form:
solid: crystalline

Results and discussion

pH value
Key result
pH value:
6.96
Temp.:
24.1 °C
Concentration:
10 g/L
Remarks on result:
other: not soluble
Remarks:
measured in suspension

Applicant's summary and conclusion

Conclusions:
The measured pH of 1% (w/v) Estradiol-17ß-acetate suspension was 6.96 at 24.1 °C.