Registration Dossier
Registration Dossier
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EC number: 200-064-1 | CAS number: 50-78-2
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Reliability assigned to handbook data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- No information
- Year:
- 2 006
- Bibliographic source:
- Merck index
Materials and methods
- Principles of method if other than guideline:
- See Merck index
- GLP compliance:
- no
Test material
- Reference substance name:
- O-acetylsalicylic acid
- EC Number:
- 200-064-1
- EC Name:
- O-acetylsalicylic acid
- Cas Number:
- 50-78-2
- Molecular formula:
- C9H8O4
- IUPAC Name:
- 2-acetoxybenzoic acid
- Test material form:
- solid: crystalline
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constant
- No.:
- #1
- pKa:
- 3.49
- Temp.:
- 25 °C
Applicant's summary and conclusion
- Conclusions:
- The substance pKa is 3.49 at 25 °C.
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