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Environmental fate & pathways

Biodegradation in soil

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Description of key information

2,6-Xylidine degrades rapidly in soil. However, the transformatin products were stable over 90 days.

Key value for chemical safety assessment

Additional information

This endpoint is no information requirement for this tonnage band under REACH: 1 -10 tpa non-intermediate.

The substance is biodegradable after adaption and it does not hydrolyse. Hence, it is expected that further testing on biodegradation as well as on environmental fate will not significantly change this assessment. Therefore, no respective studies are performed.

However, biodegradation of 2,6,-Xylidine in soil was assessed by Medvedev et al. (1981). They used a chernozem soil and a substance concentration of 500 mg/kg soil. After 3 days 100% of the parent compound was degraded, verified by direct analysis by use of thin layer chromatography. Within the degradation process relatively stable metabolites were formed, which were stable over a period of more than 90 days at 19±2 °C. These metabolites were not analytically identified (Medvedev et al., 1981, data published).