◆ Reagent
disodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis(4-aminonaphthalene-1-sulphonate); C.I. Direct Red 28
CAS 573-58-0 · C32H22N6Na2O6S2
Hazard class
Danger — Health hazard
Pictograms
Health hazard
H-statements
H350
H361d
Synonyms
Congo red · DIRECT RED 28 · C.I. Direct Red 28 · Congazone sodium · Benzo Congo Red · Haemomedical · Haemonorm · Hemorrhagyl
Molecular weight
696.7 g/mol
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search.
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