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Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

NOEC (growth, 96 h): 5000 mg/kg soil dw.

NOEC (reproduction, 96 h): 5000 mg/kg soil dw.

Additional information

There is only data available for soil macroorganisms except arthropods. Here, no inhibitory toxic effects occurred on the growth and reproduction of C. elegans up to nominal concentrations of 5000 mg/kg sediment dry weight (dw) with the read-across substance Silicic acid, aluminum magnesium sodium salt (CAS 12040-43-6, SMAS). Thus, a NOEC of 5000 mg/kg sediment dw based on nominal concentrations was determined. Between 200 and 3200 mg/kg sediment dw, significant stimulatory effects on reproduction occurred. 

The performance of studies investigating further terrestrial toxicity of amorphous aluminium sodium silicates was waived due to the natural occurrence and abundance of SiO2, silicates and aluminium as minerals in the soil.