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Dissociation constant

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dissociation constant
Type of information:
other: Handbook value
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reviewed handbook value. This study was selected as the key study because the information provided for the hazard endpoint is sufficient for the purpose of classification and labelling and/or risk assessment.
no guideline available
Principles of method if other than guideline:
No data available on method. The value used is a published Handbook value.
Dissociating properties:
<= 1.83
0 °C
The dissociation constant of betaine is 1.83 at 0°C.
Executive summary:

The dissociation constant of betaine is 1.83 at 0°C.

Description of key information

The value was obtained from a generally accepted handbook of Chemistry and Physics 89th Edition (2008).

Key value for chemical safety assessment

Additional information

pKa of betaine is 1.83 at 0°C.

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