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Naphthionic acid

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Naphthionic acid Basic information
Naphthionic acid Chemical Properties
Safety Information
  • Hazard Codes C
  • Risk Statements 34-22
  • Safety Statements 26-36/37/39-45-25
  • RIDADR UN 2585 8/PG 3
  • WGK Germany 3
  • RTECS QK1270000
  • TSCA Yes
  • HazardClass 8
  • PackingGroup III
  • HS Code 29214500
MSDS
Naphthionic acid Usage And Synthesis
  • Chemical Propertiesslightly greyish to beige powder and granules
  • UsesIntermediate for azo dyes, e.g., Congo red.
  • Purification MethodsIt crystallises from H2O as needles of the 0.5 hydrate. Salt solutions fluoresce strongly blue. The S-benzylisothiuronium salt has m 195o (from aqueous EtOH). [Beilstein 14 IV 2793.]
Naphthionic acid Preparation Products And Raw materials
Naphthionic acid(84-86-6)Related Product Information
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