Registration Dossier
Registration Dossier
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EC number: 252-038-4 | CAS number: 34452-51-2
Dissociation constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- dissociation constant
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Principles of method if other than guideline:
- Not reported
- GLP compliance:
- not specified
- Dissociating properties:
- yes
- No.:
- #1
- pKa:
- 3.82
- Remarks on result:
- other: temperature not specified
- No.:
- #2
- pKa:
- 9.3
- Remarks on result:
- other: temperature not specified
Reference
Description of key information
Two pka values are published the mentioned review article in Ullmann's Encyclopedia of Industrial Chemistry, 6th edition (2002)
Key value for chemical safety assessment
- pKa at 20°C:
- 3.82
Additional information
pKa 1 of the carboxyl group 3.82
pKa 2 of the sulfanyl group 9.3
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