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Physical & Chemical properties

Dissociation constant

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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:
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: 2-aminobenzene-1, 4-disulphonic acid
- Molecular formula: C6H7NO6S2
- Molecular weight: 253.25
- Substance type: Organic

Results and discussion

Dissociating properties:
yes
Dissosciation constantopen allclose all
No.:
#1
pKa:
0.3
Temp.:
28 °C
No.:
#2
pKa:
0.31
Temp.:
28 °C
No.:
#3
pKa:
0.32
Temp.:
28 °C

Applicant's summary and conclusion

Conclusions:
Dissociation constant (pKa) of 2-aminobenzene-1, 4-disulphonic acid is 0.30, 0.31 and 0.32 at 28 deg C temperature
Executive summary:

Dissociation constant (pKa) of 2-aminobenzene-1, 4-disulphonic acid is 0.30, 0.31 and 0.32 at 28 deg C temperature