Registration Dossier
Registration Dossier
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EC number: 240-540-6 | CAS number: 16485-10-2
Dissociation constant
Administrative data
Link to relevant study record(s)
Description of key information
The dissociation constant was determined to be pKa = 11.6 (22 °C).
Key value for chemical safety assessment
- pKa at 20°C:
- 11.6
Additional information
In the present study, the dissociation constant (pKa) of DL-Panthenol in water was determined by titration with 0.01 M sodium hydroxide solution. The dissociation constant was determined to be pKa = 11.6
The pKa value indicates a weak acid and it can be concluded that there is no significant dissociation in the relevant pH range.
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