Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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: 204-288-0 | CAS number: 118-93-4
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: Based on data, which can be considered reliable with restrictions.
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- N/A
- Author:
- Agren, Svensk Kemisk Tidskrift
- Year:
- 1 956
- Bibliographic source:
- SKTIAF, 68, <1956>, 181,187
- Reference Type:
- publication
- Title:
- N/A
- Author:
- Svensk Kemisk Tidskrift
- Year:
- 1 956
- Bibliographic source:
- SKTIAF, 68, <1956>, 189,191
- Reference Type:
- review article or handbook
- Title:
- N/A
- Author:
- Elsevier Information Systems GmbH, Germany
- Year:
- 2 016
- Bibliographic source:
- ReaxysFile
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The dissociation constant was determined with spectrophotometric measurement.
- GLP compliance:
- no
Test material
- Reference substance name:
- 2'-hydroxyacetophenone
- EC Number:
- 204-288-0
- EC Name:
- 2'-hydroxyacetophenone
- Cas Number:
- 118-93-4
- Molecular formula:
- C8H8O2
- IUPAC Name:
- 1-(2-hydroxyphenyl)ethan-1-one
Constituent 1
Results and discussion
- Dissociating properties:
- not determined
Dissociation constant
- pKa:
- 10.06
- Temp.:
- 20 °C
- Remarks on result:
- other: Solvent: water
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
