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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

Key value for chemical safety assessment

LC50 for freshwater fish:
37.5 mg/L

Additional information

The acute toxicity of disodium hexafluorosilicate to fish was determined according to OECD-Guideline for Testing of Chemicals No. 203.A static test was conducted with five nominal concentrations of 6.25 – 12.5 – 25 – 50 – 100 mg/L. Duration of the test was 96 h.

Test results are:

LC50= 37.5 mg/l

LC100= 50 mg/l

LC0= 25 mg/l

NOEC= 25 mg/l