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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acid Blue 314 is not readily biodegradable.

Additional information

The chemical class of acid dyes is generally not considered to be biodegradable at all. For the present substance Acid Blue 314, only few data are available to cover this endpoint. In the past BOD5 and COD values have been determined to assess the behavior of the test substance in industrial sewage treatment plants. The calculated BOD5/COD quotient is used to estimate the rate of biodegradation within the sewage treatment plant. The BOD5/COD ratio was equal to 0 for Acid Blue 314, further providing proof that Acid Blue 314 is not readily biodegradable.