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Environmental fate & pathways

Phototransformation in soil

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Description of key information

Phototransformation in soil is no requirement under Reach.

Key value for chemical safety assessment

Additional information

Both HEDTA and its surrogate, EDTA, form complexes with ions and therefore exist naturally as a mixture of chelate complexes. Some EDTA species, especially the iron complex, are photolysable [EU Risk Assessment, 2004].