Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

One experimental study according to OECD 301C confirmed that 2-(1-methylethoxy)ethyl acetate (CAS 19234-20-9) is not readily biodegradable according to the OECD criteria (41% biodegradation after 28 d). Considering the high water solubility (99.8 g/L) and the low potential for adsorption to organic soil and sediment particles (log Koc: 1 - 1.47, KOCWIN v2.00), the main compartment for environmental distribution is expected to be the surface water. The degradation via abiotic hydrolysis is not considered to be a relevant degradation pathway in the environment since QSAR results using HYDROWIN v2.00 resulted in DT50 values > 24 h at pH 7. Since the substance is not readily biodegradable, persistence in the water phase cannot be excluded. Evaporation from the water phase into air is not expected to be relevant based on the low Henry’s Law constant (< 1 Pa m³/mole (HENRYWIN v3.20); Corti, 2011). Based on the vapour pressure of 700 Pa the substance shows potential for volatilization. However, if released into air, 2-(1-methylethoxy)ethyl acetate is susceptible to undergo rapid indirect photodegradation by OH-radicals with a DT50 value of 18.29 h (AOPWIN v1.92). Therefore, the potential for accumulation in air and the subsequent transport to other environmental compartments is low. The potential for bioaccumulation of 2-(1-methylethoxy)ethyl acetate is assumed to be low based on the log Kow of 1.28.