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Environmental fate & pathways

Biodegradation in soil

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Low exposure of organisms living in soil is expected due to a high volatilisation rate.

This statement is based on the following info from HSDB:

HSDB (, entry under isoamyl acetate, CAS Nr. 123-92-2, Volatilization from Water/Soil:

The Henry's Law constant for isoamyl acetate was measured as 5.9X10-4 atm-cu m/mole at 25 deg C (Hine and Mookerjee). Isoamyl acetate's Henry's Law constant (Hine and Mokerjee) indicates that volatilization from moist soil surfaces is expected (SRC). Isoamyl acetate is expected to volatilize from dry soil surfaces based on a vapor pressure of 5.6 mm Hg at 25 deg C (Daubert and Danner).

Furthermore, a Koc < 500 was estimated (Koc = 225.4 L/kg), not pointing to a high potential for adsorption in sediment.

Key value for chemical safety assessment

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