Registration Dossier
Registration Dossier
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EC number: 202-662-8 | CAS number: 98-37-3
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18-12-2012 to 3-01-2013
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- 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
- Reference substance name:
- 3-amino-4-hydroxybenzenesulphonic acid
- EC Number:
- 202-662-8
- EC Name:
- 3-amino-4-hydroxybenzenesulphonic acid
- Cas Number:
- 98-37-3
- Molecular formula:
- C6H7NO4S
- IUPAC Name:
- 3-amino-4-hydroxybenzenesulphonic acid
- Test material form:
- solid: crystalline
- Details on test material:
- - Name of test material : 3-amino-4-hydroxybenzenesulphonic acid
-Substance type-organic
-physical state-crystalline solid.
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constantopen allclose all
- No.:
- #1
- pKa:
- 0
- Temp.:
- 21 °C
- No.:
- #2
- pKa:
- 0
- Temp.:
- 21 °C
- No.:
- #3
- pKa:
- 0
- Temp.:
- 21 °C
Applicant's summary and conclusion
- Conclusions:
- The average pKa value for 3-amino-4-hydroxybenzenesulphonic acid was found to be 0.0000232 at 21 degC indicating that it has dissociation properties.
- Executive summary:
The average pKa value for 3-amino-4-hydroxybenzenesulphonic acid was found to be 0.0000232 at 21 degC indicating that it has dissociation properties.
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