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Environmental fate & pathways

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The estimated neo-decanoic acid Koc is 121. The Koc of neo-decanoic acid may be sensitive to pH.

Neo-decanoic acid vapor pressure is very low, 0.65 Pa, which suggests limited volatilization from the terrestrial compartment. In comparison, Henry’s Law constant for neo-decanoic acid is calculated as 0.54 Pa-m3/mole at 25 degrees C, which indicates that volatilization from water is not expected to occur at a rapid rate, but may occur.

Neodecanoic acid is a weak organic acid with an estimated dissociation constant (pKa) of 4.7. Consequently, neodecanoic acid, at neutral pH, which is typical of most natural surface waters, is expected to dissociate to the ionised form and therefore, remain largely in water.