Registration Dossier

Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25.10.2012-17.11.2012
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report Date:
2012

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other:
Principles of method if other than guideline:
Measurement of capacity of a compound to dissociate into respective ions.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Details on test material:
Name of test material: 5-hydroxyisopthalic acid
Molecular formula:C8H6O5
Substance type: Organic

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
0
Temp.:
23 °C
Remarks on result:
other: 0.00001735(0.1735 x 10-4)
No.:
#2
pKa:
0
Temp.:
23 °C
Remarks on result:
other: 0.00001736 (0.1736 x 10-4)
No.:
#3
pKa:
0
Temp.:
23 °C
Remarks on result:
other: 0.0000173(0.1730 x 10-4)

Applicant's summary and conclusion

Conclusions:
The experimental pKa value for 5-hydroxyisopthalic acid was found to be 0.00001735, 0.00001736, 0.0000173 at 23 degC.
Executive summary:

The experimental pKa value for 5-hydroxyisopthalic acid was found to be 0.00001735, 0.00001736, 0.0000173 at 23 degC indicating that it has dissociation properties.