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Environmental fate & pathways

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Ready biodegradability has been investigated in a DOC-die away test according to EU test methods. Tetrahydrophthalic anhydride was found to be readily biodegradable but failed to meet the 10-day window criterion for the test.

Level III fugacity modelling indicates degradation in water, sediment and soil with half lifes estimated as 360, 3240 and 720 hours respectively