Naphthol AS CAS 92-77-3

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Naphthol AS CAS 92-77-3

Products Name


Naphthol AS

Naphthol AS quick Details

Chemical Name: Naphthol AS
CAS No.: 92-77-3
Molecular Formula: C17H13NO2
Molecular weight: 263.29
Appearance: Light blue powder
Assay: 99% Inquiry Now

Naphthol AS Typical Properties

Item Standard
Appearance Light blue powder
Assay 99%min
Melting point 246.5℃min
Alkali Insoluble 0.15%max
Bon Acid 0.2%max
Moisture 0.5%min

Naphthol AS Usage

  1. Naphthol AS is mainly used as a primer for cotton dyeing, but also as a primer for the dyeing of vinylon, viscose fiber, silk, diacetate fiber and cotton printing.
  2. It is often used in combination with a large red base G to dye a large red; in combination with a jujube base GBC to dye a purple sauce; in combination with an orange base GC to dye a yellowish orange; with a blue salt VB to dye blue, etc., is the most important color phenol one.
  3. Naphthol AS is also used to manufacture fast pigments, fast amines, fast sulfonins and organic pigments.

Naphthol AS Packaging and Shipping

Packaging Details: 20 kg cardboard box or according to customer requirements.

Port; Shanghai or other China port

Naphthol AS Storage

Avoid sunlight, humidity, high temperature, and avoid stabilizers, flame retardants or insecticides containing sulfur or halogen elements