Registration Dossier

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

Koc of Direct Red 23 (DR23) neutral form was calculated using software EpiSuite 4.1., the suite of physical/chemical property and environmental fate estimation programs developed by the EPA’s Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC).

DR23 is expected to be a substance with a low potential for adsorption, as confirmed by the partition coefficient log Kow of 0.0019 (R&C, 2012).