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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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REACH

Reaction products of diazotised 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid coupled with resorcinol, subsequently coupled with diazotized 2-amino-4,6-dinitrophenol and diazotized 4-nitrobenzenamine, chelated with iron (3+), sodium potassium salts

EC number: 943-697-5 | CAS number: -

Life Cycle description
Uses advised against

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

The substance is a brown organic powder at 20 °C and 1013 hPa. No more information on its physico-chemical properties are available.

However data on an analogous substance (Similar Substance 01) has been taken into account for the assessment.

The Target Substance and the Similar Substance 01 are both UVCB substances that only differ on the salification: potassium salt the Similar Substance 01 and potassium/sodium salt the Target Substance.

Particle size distribution is expected to be in the inhalable fraction but not respirable and the relative density in a range of 1 -2 at 20 °C. Considering the thermal behaviuor of the Similar Substance the Target substance is expected to decompose before melting at ca. 257 °C and to have a negligible vapour pressure.

The substance is supposed to be very soluble in water and to have a negative logPow.

The substance does not meet the criteria to be considered as autoflammable/flammable/explosive/oxidising.

Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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