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Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24.01.2013-05.02.2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
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

Constituent 1
Chemical structure
Reference substance name:
Sodium 3-methylsulphanilate
EC Number:
264-172-0
EC Name:
Sodium 3-methylsulphanilate
Cas Number:
63450-43-1
Molecular formula:
C7H9NO3S.Na
IUPAC Name:
sodium 3-methylsulphanilate
Details on test material:
- Name of test material: sodium 3-methylsulphanilate
- Substance type:organic
- Physical state:solid

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
0
Temp.:
24 °C
Remarks on result:
other: pKa = 0.00000000001341 (0.1341 x 10-10)
No.:
#2
pKa:
0
Temp.:
24 °C
Remarks on result:
other: pKa = 0.00000000001342 (0.1342 x 10-10)

Applicant's summary and conclusion

Conclusions:
The average experimental pKa value for sodium 3-methylsulphanilate was found to be 0.000000000013,at 24 degC indicating that it has dissociation properties.
Executive summary:

The average experimental pKa value for sodium 3-methylsulphanilate was found to be 0.000000000013,at 24 degC indicating that it has dissociation properties.