Registration Dossier
Registration Dossier
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EC number: 219-207-4 | CAS number: 2386-87-0
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
The study was carried out to determine the toxicity of Cycloaliphatic Epoxide resin ERL-4221 to rainbow trout. The study was carried out as a flow-through test in accordance with OECD Guideline 203. The test species were exposed to the following nominal test concentrations: Dilution water control, solvent control, 1.8, 3.2, 5.6, 10, 18 and 32 mg/L, mean measured exposure concentrations were 2.7, 2.9, 5.4, 10, 19 and 31 mg/L. Mortality was only observed in the 32 mg/L treatment where all of the fish had died after 72 hours exposure. Based on the nominal exposure concentrations the following results were obtained:
The 96-hour LC50: 24 mg/L
The 96-hour LC100: 32 mg/L
The NOEC (96 -hour): 18 mg/L based on mortality or 3.2 mg/L based on sub-lethal effects.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 24 mg/L
Additional information
A flow-through fish acute study was carried to determine the toxicity of Cycloaliphatic Epoxide resin ERL-4221 to rainbow trout. Based on nominal exposure concentrations the 96 hour LC50 was calculated to be 24 mg/L.
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