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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Acid Red 131:1 is an odourless and soluble red powder. The substance decompose before melting and boiling, for this reason neither vapour pressure nor flash point are defined. Surface tension is not a desirable property of the substance.

Acid Red 131:1 have a relative density of ca. 1.673 and a log Kow of ca. -1.90371. The median mass diameter after 2 minutes of ultrasonic treatment is in the range of the inhalable fraction (10 – 100 µm).

The compound is non flammable, non oxidising, non explosive and has no spontaneous ignition property.