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Physical & Chemical properties

Dissociation constant

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Reference
Endpoint:
dissociation constant
Type of information:
other: review article or handbook
Adequacy of study:
key study
Study period:
Not available
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 available
GLP compliance:
not specified
Dissociating properties:
yes
pKa:
4.71
Temp.:
20 °C
Conclusions:
2-Ethylbutyric acid has a dissociation constant of 4.71 pKa at 20 °C. The registered substance can be regarded as a weak acid and it is expected to be dissociated in water.

Description of key information

A dissociation constant of 4.71 pKa at 20 °C was determined for 2-ethylbutyric acid. The registered substance is subsequently expected to be readily dissociated in water.

Key value for chemical safety assessment

pKa at 20°C:
4.71

Additional information