Registration Dossier
Registration Dossier
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EC number: 433-470-4 | CAS number: -
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Justification for type of information:
- This endpoint study record is supporting information reported within the read-across justification
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- CRC Handbook of Chemistry and Physics (81st Ed)
- Author:
- Lide, DR
- Year:
- 2 000
- Bibliographic source:
- CRC Press Taylor & Francis Group, Boca Raton, FL, USA
Materials and methods
Test guideline
- Guideline:
- other: textbook reference
- Principles of method if other than guideline:
- - Principle of test: Determine dissociation constant
- Short description of test conditions: Unknown, textbook value
- Parameters analysed / observed: dissociation constant - GLP compliance:
- not specified
Test material
- Reference substance name:
- p-anisic acid
- EC Number:
- 202-818-5
- EC Name:
- p-anisic acid
- Cas Number:
- 100-09-4
- Molecular formula:
- C8H8O3
- IUPAC Name:
- 4-methoxybenzoic acid
1
- Specific details on test material used for the study:
- 4-Methoxybenzoic acid
Results and discussion
- Dissociating properties:
- yes
Dissociation constant
- pKa:
- 4.5
- Temp.:
- 25 °C
- Remarks on result:
- other: textbook reference
Applicant's summary and conclusion
- Conclusions:
- The reference reports the pKa for the substance as 4.50 at 25°C.
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