Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 904-653-0 | CAS number: -
Dissociation constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data published in peer-reviewed literature.
- Principles of method if other than guideline:
- In the peer-reviewed handbook only the dissociation constant is reproted but not the test guideline.
- GLP compliance:
- not specified
- Dissociating properties:
- yes
- No.:
- #1
- pKa:
- 9.89
- Temp.:
- 20 °C
- Conclusions:
- The dissociation constant of phenol is 9.89 at 20 °C.
- Executive summary:
In the peer-reviewed handbook the dissociation constant of phenol is reported to be 9.89 at 20 °C.
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Lack of experimental details
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
- Dissociating properties:
- yes
- No.:
- #1
- pKa:
- >= 11.3
- Remarks on result:
- other: temperature not specified
- Executive summary:
The acid-base constant of Bisphenol A is 11.3.
Referenceopen allclose all
Description of key information
The acid-base constant of Bisphenol A is 11.3. The dissociation constant (pKa) of phenol is reported to be 9.89 at 20 °C.
Key value for chemical safety assessment
Additional information
In the peer-reviewed handbook the dissociation constant of phenol is reported to be 9.89 at 20 °C.
The acid-base constant of Bisphenol A is 11.3.
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