◆ Reagent

1-(4-methyl-2-nitrophenylazo)-2-naphthol

CAS 2425-85-6 · C17H13N3O3
Hazard class
Danger — Corrosive, Environmental hazard
Pictograms
CorrosiveEnvironmental hazard
H-statements
  • H318
  • H410
  • H413
Synonyms
219-372-2 · Toluidine red · Hansa Red B · Permanent Red 4R · Fast Red R · Toluidine Toner · Independence Red · Helio Fast Red RN
Molecular weight
307.3 g/mol
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. API · Console