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Product name 1-naphthol
Synonyms alfa-naphthol
GOST no data
CAS 90-15-3

alfa-Naphthol is a colorless crystalline compound with a weak phenol odor. It is soluble in short alcohols, diethyl ether, chloroform, acetone, benzene, almost insoluble in water. Chemical properties of 1-naphthol are typical for phenols.


1-Naphthol is manufactured:

  • by 1-naphthylamine hydrolysis with 20% sulfuric acid at 185-240°C under pressure;
  • by melting of naphthalene-1-sulfonic acid sodium salt with NaOH at 300°C;


    1-Naphthol is used:

  • in making dyes, pigments, fluorescent whiteners, tanning agents, antioxidants, and antiseptics;
  • as a starting material to produce 1-hydroxynaphthalene-2-carbonic acid;
  • as an intermediate in production of 1-naphthyl urea (zoocide);
  • to manufacture pharmaceuticals;

  • Manufacturer(s) no data
    Chemical structure of 1-naphthol

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