Registration Dossier

Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information


The estimated low Koc values of the parent compound and the hydrolysis product indicate no significant potential for adsorption to soils or sediments (US EPA, 2008; OECD, 2005).

Henry's Law Constant

A high Henry's Law Constant (HLC) of 316 Pa m³/mol was estimated for ethyl chloroformate (US EPA, 2008). However, it is rapidly hydrolysed to ethanol, CO2 and HCl.

Based on a calculated HLC of 0.6 Pa m³/mol, ethanol will not evaporate into the atmosphere from the water surface (OECD, 2005).


Following the Mackay Level I calculations, the parent compound will preferentially distribute into the air (86.8%) and water (13.2%) (BASF SE, 2008). The hydrolysis product ethanol is expected to preferentially distribute into the compartments air (48.1%) and water (51.9%) (BASF SE, 2008). Mackay Level III calculations reveal that ethanol would predominantly distribute into water (45.8 %) and soil (45.6 %) (BASF SE, 2008).