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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

3hr EC 50 >100 mg/L (nominal concentration)

Key value for chemical safety assessment

Additional information

No data are available for the toxicity to microorganisms of trimethoxysilane. A toxicity to microorganisms study is, however, available for the related substance Trimethoxy(methyl)silane. Trimethoxy(methyl)silane is considered a close structural analogue of trimethoxysilane. It is considered appropriate to read across the toxicity to microorganisms result for Trimethoxy(methyl)silane because Trimethoxy(methyl)silane and trimethoxysilane are both small molecule alkoxysilanes containing MeO-Si groups. The use of such read-across is supported by an analysis of the toxicity to microorganisms properties of organosilicon compounds as discussed in the CSR.