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Environmental fate & pathways

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Due to the very low water solubility of the substance, the hydrolysis study cannot be performed and the hydrolysis half-life is expected to be >12 hours. Therefore, the environmental hazard assessment for the submission substance, octaphenylcyclotetrasiloxane is based on the properties of the parent substance itself in accordance with REACH Guidance for Chemical Safety Assessment (Chapter R.16; ECHA 2016).



ECHA (2016). REACH Guidance on Information Requirements and Chemical Safety Assessment Chapter R16: Environmental Exposure Assessment Version: 3.0. February 2016

Additional information