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Environmental fate & pathways

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Trichloro(octyl)silane is expected to hydrolyse very rapidly (half-life <1 min at 25°C and pH 4, pH 7 and pH 9, see Section 4.1.1.1).

A half-life of 1.7 days for reaction with hydroxyl radicals in air has been calculated for trichloro(octyl)silane. Hydrolysis reaction with water vapour in air may occur.

The hydrolysis products are expected to be octylsilanetriol and hydrochloric acid. A half-life of 0.8 days for reaction with hydroxyl radicals in air has been calculated for octylsilanetriol.