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EC number: 202-509-5
CAS number: 96-48-0
Effect Concentration 50% (EC50), 72h Green alga: >1000 mg/L
Effect Concentration 10% (EC10), 72h Green alga: 50.8 to 84.4 mg/L
toxicity of γ-butyrolactone (GBL) to aquatic algae (Green alga) has been
tested according to German Industrial Standard DIN38412, Part 9 in two
separate studies (BASF, 1988) and the results have been recalculated
according to OECD TG 201, as adopted 23 Mar 2006. These
studies yielded 72h EC50 values of >1000 mg/L and >500 mg/L, and 72h
EC10 values of 50.8 mg/L and 84.4 mg/L. These
results indicate that GBL exhibits a low order of acute toxicity to
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