Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information


The Soil Adsorption Coefficient i.e. Koc value of test chemical 2-[[4-[bis(2-hydroxyethyl)amino]-o-tolyl]azo]-5-nitrobenzonitrile (CAS No. 12236-25-8) was estimated using EPI suite KOCWIN Program (v2.00) as 96.75 L/kg (log Koc= 1.9858) by means of MCI method at 25 deg. C.  This log Koc value indicates that test chemical 2-[[4-[bis(2-hydroxyethyl)amino]-o-tolyl]azo]-5-nitrobenzonitrile has low sorption to soil and therefore test chemical has moderate migration potential to ground water.

Additional information