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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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REACH

Dilithium disodium (5,5'-diamino-(μ-4,4'-dihydroxy-1:2-κ-2,O4,O4',-3,3'-[3,3'-dihydroxy-1:2-κ-2-O3,O3'-biphenyl-4,4'-ylenebisazo-1:2-(N3,N4-η:N3',N4'-η)]-dinaphthalene-2,7-disulfonato(8)))dicuprate(2-)

EC number: 407-230-4 | CAS number: 126637-70-5 BLUE GS 1259 R5

Life Cycle description
Uses advised against

Toxicological information

Endpoint summary

Administrative data

Description of key information

Key value for chemical safety assessment

Skin sensitisation

Endpoint conclusion

Endpoint conclusion:: adverse effect observed (sensitising)
Additional information:: A 25 % solution of the substance resulted in a sensitization rate of 20 % in guinea pig.

Migrated from Short description of key information:
The test substance proved to be skin sensitising in a 1990 Klimisch-1-rated Buehler Assay. LLNA as the preferred method by REACH was not conducted as not yet available at that time. No studies on respiratory sensitisation conducted.

Justification for classification or non-classification

Based on the positive outcome of the Buehler Assay, the substance should be labelled as a skin sensitizer.

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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