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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Readily biodegradable: 76% (CO2 evolution) in 28 days (ISO 14593 Draft)

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

The ready biodegradability of 2 -hexyldecan-1-ol ethoxylated (< 2.5 EO) was investigated in a GLP study according to ISO 14593 Draft (BASF, 1998). Activated sludge from domestic sewage plant was used as inoculum. Based on CO2 evolution, the test item attained 76% degradation after 28 days test duration. Hence, 2 -hexyldecan-1-ol ethoxylated (< 2.5 EO) can be classified as readily biodegradable under the strict requirements of the OECD guideline.