Registration Dossier

Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
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:
Conductometric method.; Measurement of capacity of a compound to dissociate into respective ions.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 4-sulphoanthranilic acid
- Substance type: Organic
- Physical state: Solid

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
0.056
Temp.:
28 °C
No.:
#2
pKa:
0.055
Temp.:
28 °C

Applicant's summary and conclusion

Conclusions:
Dissociation constant pka: 0.056
Executive summary:

The pKa value for 4-sulphoanthranilic acid in aqueous solution at 28 degrees C is 0.056.