Registration Dossier
Registration Dossier
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EC number: 200-338-0 | CAS number: 57-55-6
Endpoint summary
Administrative data
Description of key information
Additional information
Under aerobic conditions 81.7 -106.8% 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.
Significant biodegradation was found in a simulation test with natural seawater after 64 days (West et al. 2007). When released into a soil environment monopropylene glycol is expected to biodegrade (98% after 105 days) (The Dow Chemical Company, 1986).
Simulation studies with sediment are not available.
The rate constant used in the assessment are (calculated with EUSES):
Degradation in the STP |
24 d-1 |
Biodegradation in surface water |
0.0462 d-1 |
Biodegradation in sediment |
2.31E-03 d-1 |
Biodegradation in soil |
0.0231 d-1 |
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