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EC number: 200-338-0 | CAS number: 57-55-6
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Monopropylene glycol was found readily biodegradable after 28 days under aerobic conditions.
In an OECD306 test (seawater), 96 % biodegradation was observed after 64 days.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Under aerobic conditions, 106.8 % (O2 consumption), 81.7% (CO2 evolution) and 98.3% (DOC removal) biodegradation was found for 100 mg/l monopropylene glycol tested according to OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test) (West et al., 2007) and in another OECD 301 F study 81 -97% biodegradation was found for 84 mg/l monopropylene glycol tested under aerobic conditions (The Dow Chemical Company, 1999). In further assessment monopropylene glycol is considered ready biodegradable. In an OECD306 test (seawater), after 64 days 95.8 % biodegradation was observed (DOC removal) and 90.6% biodegradation was observed (CO2 evolution)(West et al., 2007)
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