Registration Dossier
Registration Dossier
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EC number: 210-890-4 | CAS number: 625-36-5
Endpoint summary
Administrative data
Description of key information
Additional information
3 -Chloropropionyl chloride is expected to rapidly hydrolyse in contact with water to form 3-chloropropionic acid (CAS 107-94-8) and hydrogen chloride (CAS 7647-01-0). Due to this rapid hydrolysis, the assessment of the transport and distribution properties of the parent compound is considered to be of low relevance. For hydrogen chloride no data on adsorption are available. Therefore, the assessment of transport and distribution is based solely on the data available for 3-chloropropionic acid.
Adsorption
The estimated low Koc values of the parent compound and the hydrolysis product indicate no significant potential for adsorption to soils or sediments.
Henry's Law Constant
A high Henry's Law Constant (HLC) of 31 Pa m³/mol was estimated for 3-chloropropionyl chloride (CAS 625-36-5). However, it rapidly hydrolyses to 3-chloropropionic acid and HCl.
3-chloropropionic acid will not evaporate into the atmosphere from the water surface.
Distribution
Following the Mackay Level I calculations, the parent compound will preferentially distribute into the compartments water (74.1%) and air (25.9 %). With Mackay Level I, the hydrolysis product 3-chloropropionoc acid is expected to predominantly distribute to water (92.7%) and to a lesser extent to air (7.23%).
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