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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

The biodegradation in water was investigated following the OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test), the EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test) and Regulation (EC) No. 648/2004 of the European Parliament and the Council of 31 March 2004 on detergents.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

The results show that "Sulfonation products of (esterification products of C9-11 (branched and linear) alkyl-(mono-, di- and tri-)glycosides with maleic anhydride) with disodium sulfite" attained a maximum mean level of biodegradation (based on the BOD:COD ratio) of 63%.

More than 60% degradation was achieved within 28 days, so the substance can be classified as readily biodegradable .