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Environmental fate & pathways

Biodegradation in soil

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Description of key information

Under anaerobic conditions 98% of propylene glycol was biodegraded in natural soil after 105 days.

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Additional information

A non-GLP compliant biodegradation study in soil is available for monopropylene glycol. Results of this study demonstrate that high concentrations of monopropylene glycol released into a soil environment can be expected to biodegrade under anaerobic conditions (98% after 105 days) (The Dow Chemical Company, 1986).