Registration Dossier

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

Under environmental conditions the substance will almost completely polymerise into polyureas, since the HDI trimer forms oligo- and polymers in contact with water. Therefore, significant concentrations of unreacted 'Hexamethylene diisocyanate, oligomerisation product (biuret type)' are not expected to occur in air, water, sediment or soil.