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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Readily biodegradable

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

Aerobic biodegradation studies are available on resorcinol.

Aerobic: Following OECD TG 302B, 97% degradation was observed after 4 days (Wellens, 1990).  Elimination rates of > 90% were observed after 2 to 5 days in studies similar to OECD TG 302B (Pitter, 1976; Tabak et al., 1964; Singer et al., 1979). Test substance concentrations of 138 and 500 mg/L resulted in rates of 60 – 100% after 5 days (Gubser, 1969).  In a modified MITI test (following OECD TG 301C) fulfilling the 10 day window criterion results indicate 66.7% biodegradation after day 14 (MITI, 1992).