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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Monoisopropylnaphthalene produced acute toxic effects on daphnia within the range of water solubility (=< 2.8 mg/L): In a valid 48 h short-term toxicity test (OECD 202), the EC50 was below 1 mg/L.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
0.67 mg/L

Additional information

Two short-term studies on daphnia reported:



Test concentration


Experimental conditions


Muckle 2012

(Daphnia magna, OECD 203)

analytical concentrations (geom. means):

< LOQ, 0.06, 0.18, 0.45, 0.98, 2.35 mg/L
stock solution:
nominal 10 mg/L
measured: 3.61 mg/L

EC0(48 h): 0.45 mg/L

EC50(48 h): 0.67 mg/L

no vehicle,
48 h
20 test organisms, chemical analysis


NITE 2011

(Daphnia magna, OECD 203)

Nominal/analytical: no data

EC0(48 h): no data
EC50(48 h): 0.15 mg/L

vehicle: no data,
48 h
20 test organisms