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Environmental fate & pathways

Hydrolysis

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Description of key information

half-lives at 
pH 4: 3816 Years
pH 7: 3.82 years
pH 8: 139 days
pH 9: 13.94 days (25°C each)

Key value for chemical safety assessment

Additional information

The base-catalysed hydrolysis rate constant of tributyl acetyl citrate was calculated by HYDROWIN program (v 2.00) published by the U.S. Environmental Protection Agency. Tributyl acetyl citrate is in the applicability of the model. The total aqueous base-catalysed rate constant (Kb) at ph > 8 and 25 °C has been calculated to be 5.755 x 10E-2 L/mol x sec. Predicted half-lifes of 3816 y (at pH 4), 3.82 y (at pH 7), 139.4 d (at pH 8) and 13.94 d (at pH 9) indicate moderate to slow hydrolysis of tributyl acety citrate under environmental conditions.