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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 204-207-9 | CAS number: 117-78-2
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Data source
Reference
- Reference Type:
- publication
- Title:
- Physicochemical characterization of 9, 10‐anthraquinone 2-carboxylic acid
- Author:
- Tsai, S.‐Y., Kuo, S.‐C. and Lin, S.‐Y.
- Year:
- 1 993
- Bibliographic source:
- Tsai, S.‐Y., Kuo, S.‐C. and Lin, S.‐Y. (1993), Physicochemical characterization of 9, 10‐anthraquinone 2‐carboxylic acid. J. Pharm. Sci., 82: 1250-1254. https://doi.org/10.1002/jps.2600821213
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- GLP compliance:
- no
Test material
- Reference substance name:
- 9,10-dioxoanthracene-2-carboxylic acid
- EC Number:
- 204-207-9
- EC Name:
- 9,10-dioxoanthracene-2-carboxylic acid
- Cas Number:
- 117-78-2
- Molecular formula:
- C15H8O4
- IUPAC Name:
- 9,10-dioxoanthracene-2-carboxylic acid
- Details on test material:
- AQCA (Lot no. DW 02321DV) purchased from Aldrich Chemical Company (Milwaukee, WI)
Constituent 1
Results and discussion
Dissociation constant
- No.:
- #1
- pKa:
- ca. 4.3
Any other information on results incl. tables
estimated from solubility data
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.
