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Environmental fate & pathways

Biodegradation in water: screening tests

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The ready biodegradability of Montaverdi was assessed in the Manometric Respirometry test (Procedure C.4 -D of the Annex to Directive 92/69/EEC; OECD Procedure 301 F). Montaverdi was added to two flasks containing mineral salts medium inoculated with activated sludge (30 mg solids/litre) and to one flask containing ultrapure water alone (abiotic control) to give a nominal concentration of 100 mg/I. The substance was degraded by 10% after 4.5 days and by 60% after 14.5 days; a mean of 79% degradation was achieved after 28 days. The level of abiotic degradation of Montaverdi was insignificant (0.1 % of its ThOD). Based on this result Montaverdi can be considered to be readily biodegradable.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

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