Registration Dossier
Registration Dossier
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EC number: 203-484-3 | CAS number: 107-36-8
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:
- data from handbook or collection of data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 2 007
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EPA OPPTS 830.7370 (Dissociation constants in water)
- Deviations:
- not applicable
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Test material
- Reference substance name:
- 2-hydroxyethanesulphonic acid
- EC Number:
- 203-484-3
- EC Name:
- 2-hydroxyethanesulphonic acid
- Cas Number:
- 107-36-8
- Molecular formula:
- C2H6O4S
- IUPAC Name:
- 2-hydroxyethane-1-sulfonic acid
- Test material form:
- solid: crystalline
- Details on test material:
- -
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constant
- No.:
- #1
- pKa:
- -1.68
- Temp.:
- 20 °C
Applicant's summary and conclusion
- Conclusions:
- pk_s=-1.92
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