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Environmental fate & pathways

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Several studies on the biodegradability in water are available on analogous substance of the Stilbene Fluorescent Whitening Agents category . As a consequence the substance can be considered as neither readily nor inherently biodegradable.

A field study at a full-scale STP on the analogous substance OB 2 -A (Poiger 1994, HERA project 2004) gave no evidence of biodegradation when the mass flow was monitored. It is assumed that the test substance would be non biodegradable in soil and sediment either.