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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

With high probability acutely not harmful to fish.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
115 mg/L

Additional information

Parent compound methyl formate As determined in a static acute toxicity test following the German Industrial Standard DIN 38 412 part 15 using Leuciscus idus as test species the LC50 (96h) is estimated to be 115 mg/L, related to the nominal concentrations (BASF AG, 1989).

Hydrolysis product formic acid/formate

In a GLP guideline study according to OECD TG 203 using Danio rerio as test organism an LC50 (96h) of 130 mg/L was determined, related to the analytically verified nominal concentrations of ammonium formate (Fraunhofer, 2005).


Following a national British guideline using the marine species Scophthalmus maximus (turbot)) a GLP study was conducted with potassium formate. After 96 hours of exposure, a LC50 of 1700 mg/L was estimated, related to the nominal concentrations (Huntington, 1992).

Hydrolysis product methanol

In the key study conducted under flow-through conditions with Lepomis macrochirus the 96 -h LC50 was 15400 mg/L based on analytically verified concentrations (Poirer, 1986).