Registration Dossier
Registration Dossier
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EC number: 231-871-7 | CAS number: 7773-06-0
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:
- test procedure in accordance with national standard methods with acceptable restrictions
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 112 (Dissociation Constants in Water)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Ammonium sulphamidate
- EC Number:
- 231-871-7
- EC Name:
- Ammonium sulphamidate
- Cas Number:
- 7773-06-0
- Molecular formula:
- H3NO3S.H3N
- IUPAC Name:
- sulfamic acid
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constant
- pKa:
- ca. 8.6
- Temp.:
- 21 °C
Applicant's summary and conclusion
- Conclusions:
- The dissociation constant of the substance is an average of two measures: pKa = 8.6 (relative standard deviation: 0.3%, theoretical titration error: 3%).
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