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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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REACH

Reaction mass of tetrasodium [μ-[[4,4'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-) and hydrogen [[4,4'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)

EC number: 943-289-7 | CAS number: -

Life Cycle description
Uses advised against

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Description of key information

Very soluble

Key value for chemical safety assessment

Additional information

Direct Blue 080:1 is a multiconstituent substance composed by the acidic and the sodium salt forms of the same structure (58.44 % and 13.55 % of the substance respectively).

Water solubility was determined by means of the OECD Guideline 105 (Water solubility), adopted 27.05.95 on the major component of the multiconstituent substance (Sodium salt form) and the tested substance results to have a water solubility of 26.12 g/l, therefore is considered as Very soluble.

Considering the high similarity between the structures and the composition of the substance, Direct Blue 080:1 is expected to be very soluble as described by the experimental data on the sodium salt.

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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