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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

One reliable data point was identified for an aquatic invertebrate, D. magna, using molybdenum trioxide as test substance:  a 48h-LC50 of 203.2 mg Mo/L.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
203.2 mg/L

Additional information

One reliable acute toxicity concentration level - based on molybdenum trioxide as test substance - was identified for an aquatic invertebrate, i.e., the cladoceran D. magna (see table below). A 48h-LC50 of 203.2 mg Mo/L for D. magna (Kimball, 1978) was reported.

Species

Mo-salt

Endpoint

 

mg Mo/L

pH

Reference

D. magna

MoO3

48h-LC50

Measured

203.2

210.3

8.15

Kimball, 1978