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3-Hydroxy-2-naphthoic acid

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3-Hydroxy-2-naphthoic acid Basic information
3-Hydroxy-2-naphthoic acid Chemical Properties
Safety Information
MSDS
3-Hydroxy-2-naphthoic acid Usage And Synthesis
  • Chemical Propertiesyellow to beige-brown fine crystalline powder
  • UsesDyes and pigments.
  • Uses2-hydroxy-3-naphthoic acid (BON) is coupled with diazo compounds and their calcium salts are bright red bleed resistance pigments. The somewhat higher cost manganese salt shows better exterior durability than the calcium or barium salts. The BON red pigments are characterized by an extremely high degree of color stability, resistance to acids and alkalies and are nontoxic.
  • HazardIrritant.
  • Purification MethodsCrystallise it from water or acetic acid. The S-benzyisothiuronium salt has m 216-217o (from EtOH). It forms many metal complex salts. [Beilstein 10 H 333, 10 III 1084.]
3-Hydroxy-2-naphthoic acid Preparation Products And Raw materials
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