Registration Dossier
Registration Dossier
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EC number: 500-116-6 | CAS number: 52609-19-5 1 - 2.5 moles ethoxylated
Endpoint summary
Administrative data
Description of key information
All members of the category alcohol ethoxylates are readily biodegradable which is proved by several studies available for the certain mixtures. Hence, the substances will be ultimately degraded under environmental conditions. The potential of alcohol ethoxylates to persist in the environment is thus not given.
Additional information
Alcohol ethoxylates are readily biodegradable under aerobic conditions and also anaerobically biodegradable (HERA, 2009). The main mechanism of primary biodegradation for the linear and essentially linear AE is the central cleavage of the molecule, leading to the formation of long chain alcohol and polyethylene glycol (HERA, 2009; Marcomini et al., 2000a; Marcomini et al., 2000b).
References:
HERA - Human & Environmental Risk Assessment on ingredients of European household cleaning products (2009). Alcohol Ethoxylates. Version 2.0, September, 2009
Marcomini, A., Zanette, M., Pojana, G., Suter, M. (2000a). Behavior of Aliphatic Alcohol Polyethoxylates and their Metabolites under Standardized Aerobic Biodegradation Conditions. Environmental Toxicology and Chemistry 19, 549–554.
Marcomini, A., Pojana, G., Carrer, C., Cavalli, L., Cassani, L., Lazzarin, M. (2000b) Aerobic Biodegradation of Monobranched Aliphatic Alcohol Polyethoxylates. Environmental Toxicology and Chemistry 19, 555-560.
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