Compound record

Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) (C.I. Direct Red 28)

Also known as Red K

573-58-0 · candidate list substance

Red K SVHC Candidate ListEU monitoring Congo redDIRECT RED 28C.I. Direct Red 28

Dossier Status Obligations Why Alternatives Changes Similar Sources

CAS 573-58-0

Formula C32H22N6Na2O6S2

Molecular weight 696.7 g/mol

InChIKey IQFVPQOLBLOTPF-UHFFFAOYSA-L

Why monitored

Why this substance is monitored in the EU

Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) (C.I. Direct Red 28) is currently surfaced as candidate list substance in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on Carcinogenic (Article 57a), and this page is designed for fast status checks before deeper source review.

Reason

Carcinogenic (Article 57a)

Open the cross-substance route for this rationale.

Rows behind the rationale

Imported framework context and legal signals

Framework	Status	Listed	Reason	Source
CandidateList	Candidate List substance	16 Dec 2013	Carcinogenic (Article 57a)	Candidate List entry - Disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate) (C.I. Direct Red 28)