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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 210-513-3 | CAS number: 617-45-8
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Secondary source. Only results are available.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Electrical Conductance Studies in Aqueous Solutions with Aspartic Ions
- Author:
- Apelblat, Alexander; Manzurola, Emanuel; Orekhova, Zoya
- Year:
- 2 008
- Bibliographic source:
- Journal of Solution Chemistry
Materials and methods
- Principles of method if other than guideline:
- No data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Acid D,L-aspart
- EC Number:
- 210-513-3
- EC Name:
- Acid D,L-aspart
- Cas Number:
- 617-45-8
- Molecular formula:
- C4H7NO4
- IUPAC Name:
- aspartic acid
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constantopen allclose all
- No.:
- #1
- pKa:
- 3.93
- Temp.:
- 14.99 °C
- No.:
- #2
- pKa:
- 3.98
- Temp.:
- 49.99 °C
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.
