Registration Dossier
Registration Dossier
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EC number: 250-299-9 | CAS number: 30693-53-9
Dissociation constant
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:
- 2 012
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
- Reference substance name:
- Sodium 2-amino-5-nitrobenzenesulphonate
- EC Number:
- 250-299-9
- EC Name:
- Sodium 2-amino-5-nitrobenzenesulphonate
- Cas Number:
- 30693-53-9
- Molecular formula:
- C6H6N2O5S.Na
- IUPAC Name:
- sodium 2-amino-5-nitrobenzenesulphonate
- Details on test material:
- -Name of the test material: sodium 2-amino-5-nitrobenzenesulphonate
-Physical State: Solid
-Substance type: Organic
-Molecular formula: C6H6N2O5S.Na
-Molecular weight: 240.1691
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constantopen allclose all
- No.:
- #1
- pKa:
- 0
- Temp.:
- 21 °C
- Remarks on result:
- other: pka= 0.000000000000000139 (0.139 x 10-15)
- No.:
- #2
- pKa:
- 0
- Temp.:
- 21 °C
- Remarks on result:
- other: pka= 0.000000000000000139 (0.139 x 10-15)
- No.:
- #3
- pKa:
- 0
- Temp.:
- 21 °C
- Remarks on result:
- other: pKa= 0.00000000000000014 (0.140 x 10-15)
Applicant's summary and conclusion
- Conclusions:
- The experimental average pKa value for sodium 2-amino-5nitrobenzenesulphonate was found to be 0.0000000000000001393 at 21 °C indicating that the substance has got dissociation properties.
- Executive summary:
The experimental average pKa value for sodium 2-amino-5nitrobenzenesulphonate was found to be 0.0000000000000001393 at 21 °C indicating that the substance has got dissociation properties.
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