Registration Dossier
Registration Dossier
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EC number: 231-679-3 | CAS number: 7681-82-5
Dissociation constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10.09.2011 - 17.09.2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Justification for type of information:
- Experimental test result performed using standard test guidelines
- Qualifier:
- according to guideline
- Guideline:
- other: as mentioned below
- Principles of method if other than guideline:
- Measurement of capacity of a compound to dissociate into respective ions.
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Specific details on test material used for the study:
- - Name of test material: Sodium iodide
- Molecular formula: NaI
- Molecular weight: 149.89 g/mol
- Smiles notation: [Na+].[IH-]
- InChl: 1S/HI.Na/h1H;/q;+1/p-1
- Substance type: Inorganic
- Physical state: solid - Dissociating properties:
- yes
- No.:
- #1
- pKa:
- 0.067
- Temp.:
- 25 °C
- Remarks on result:
- other: not details available
- Conclusions:
- The experimental pKa value for test chemical was determined to be 0.0668 at 25 degC indicating that it has dissociation properties.
- Executive summary:
The experimental pKa value for test chemical was determined to be 0.0668 at 25 degC indicating that it has dissociation properties.
Reference
Description of key information
The experimental pKa value for test chemical was found to be 0.0668 at 25 degC indicating that it has dissociation properties.
Key value for chemical safety assessment
- pKa at 20°C:
- 0.067
Additional information
The experimental pKa value for test chemical was found to be 0.0668 at 25 degC indicating that it has dissociation properties.
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