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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

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REACH

Disodium [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulphonato(3-)][1-[[2-hydroxy-5-(phenylazo)phenyl]azo]-2-naphtholato(2-)]chromate(2-)

EC number: 258-027-0 | CAS number: 52587-68-5

Life Cycle description
Uses advised against

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

FAT 21095 is considered to be not biodegradable.

Additional information

The test material is designed to be used as a dye for diverse textile fabrics. To ensure high performance and quality of the treated fabric, those classes of chemical substances are designed to be not biodegradable by microorganisms. Nevertheless, biological elimination of FAT 21095/A was tested in the past and showed 3 % of degradation after 31 days, according to a guideline which is equivalent or similar to OECD test guideline 303 A (confirmatory test). The BOD5/COD quotient calculated using data from two individual studies (BOD: 0 mg/g O2;COD: 1019.61 mg O2/g) is equal to 0, indicating the test substance as not rapidly biodegradable. Therefore, the test substance FAT 21095 is considered to be not biodegradable.

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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