Registration Dossier
Registration Dossier
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EC number: 627-580-3 | CAS number: 53617-35-9
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:
- 18 Dec 2012 - 8 Jan 2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 112 (Dissociation Constants in Water)
- Deviations:
- no
- GLP compliance:
- no
- Dissociating properties:
- yes
- No.:
- #1
- pKa:
- 5.44
- Temp.:
- 20 °C
- No.:
- #2
- pKa:
- 10.1
- Temp.:
- 20 °C
Reference
Results
The individual and average test results for dissociation constant (pKa) are shown as follows.
Run Number |
Run 1 |
Run 2 |
Run 3 |
Average |
pKa1 |
5.45 |
5.44 |
5.44 |
5.44 |
pKa2 |
10.03 |
10.07 |
10.20 |
10.10 |
Description of key information
pKa1 is 5.44 and pKa2 is 10.10 at 20 ºC (OECD 112, titration).
Key value for chemical safety assessment
Additional information
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