naphthol as cas 92-77-3

Description

Naphthol AS quick Details

Chemical Name: Naphthol AS

CAS No.: 92-77-3

Molecular Formula: C17H13NO2

Naphthol ASStructure:

Molecular weight: 263.29

Appearance:Lightblue powder

Assay: 99%

Naphthol ASTypical Properties

Item	Standard
Appearance	Lightblue 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

Phenol AS is mainly used as a primer for cotton dyeing. It is also used as a primer for vinylon, viscose, silk, diacetate and cotton printing. Often mixed with large red base G dyed red; with reddish-based GBC dyed purple sauce; with orange-based GC combined with yellow orange; with blue salt VB combined with blue, is one of the most important phenol . Chromool AS is also used in the manufacture of fast pigments, fast amines, fast sulfonates and organic pigments.

Naphthol ASPackaging and Shipping

Packaging Details:20 kg cardboard box or according to customerrequirements.

Port; Shanghai or other China port

Naphthol ASStorage

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