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Environmental fate & pathways

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Based on physico-chemical properties, the main target compartmentsSorbitan tristearate (CAS No. 26658-19-5) would be soil and sediment. However, the substance is readily biodegradable and highly sorptive, based on calculated estimation, and is thus expected to be eliminated in sewage treatment plants to a high extent. Release to surface waters, and thereby exposure of sediment, is therefore very unlikely. In soil, the substance is expected to be rapidly biodegraded.