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REACH

(5-ethyl-1,3-dioxan-5-yl)methyl acrylate

EC number: 266-380-7 | CAS number: 66492-51-1

Life Cycle description
Uses advised against

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Description of key information

Acutely harmful to aquatic algae.

Key value for chemical safety assessment

EC50 for freshwater algae:: 34 mg/L

Additional information

The aquatic toxicity of the submission item to algae was determined in a GLP guideline study according to OECD 201. The resulting ECr50 (72h) was 34 mg/L. Furthermore, a QSAR calculation using the OECD Toolbox v3.0.0.274 alpha revealed an estimated EC50 value of 14 mg/L on green algae (BASF SE, 2013). This value is in a connatural magnitude as the result of a second QSAR calculation using ECOSAR v1.00 which revealed a EC50 value of 2.028 mg/L (BASF SE 2012). Based on these values, the test substance is considered to be acutely toxic to aquatic algae.

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