FOOD, FEED ADDITIVES
  PHARMACEUTIC,INSECTICIDE INTERMEDIATES
  DYESTUFF & PIGMENT INTERMEDIATES
  BASIC ORGANIC RAW
 
    Sorbic Acid
    Potassium Sorbate
    2-Cyano pyridine
    3-Cyano pyridine
    Acetoni
    Diketene
    Methyl Acetoacetate
    Ethyl Acetoacetate
    Dehydroacetic Acid
    Sodium Dehydroacetate
    Naphthol
    1-(P-tolyl)-3-Methyl-5-Pyrazolone
    Acetoacet Anilide
    Acetoacet-O-Toluitide
    Acetoacet-P-Anisidine
 
   
 
Product name: NAPHTHOL AS-G
Product Category: DYESTUFF&PIGMENT INTERMEDIATES
Cas No.: 91-96-3
EINECS NO: 202-111-1
Formula:

C22H24N2O

Structure Formula:
M.W.:

380.42

Characters

Slightly beige white powder, soluble in ethanol and benzene, insoluble in water, soluble in sulfuric acid and caustic soda solution and appeared colorless. Melting point: 204- 205 .

Uses:

It is main used for dyeing and printing of cotton fabric and used as a fast fight background pigment and organic pigment intermediates.

Standard:
Specifications

ITEM

 

INDEX

First-class product

Quality product

Appearance

Beige to off-white powder

Naphthol AS-G Assay (mass fraction)/%     ≥

98.0

97.0

In the cotton fiber base with the large red G diazonium salt coupling generated by the Shade

Consistent with the standard approximation

In the cotton fiber base with the large red G generated by diazonium salt coupling strength of

As the standard of 100

Alkali-insoluble Assay (mass fraction)/%     ≤

0.5

Packing:

Fiber can, iron drum, net weight: 25kg. We also can follow your demand .

Storage:

Stored in ventilated and dry place, prevented from heating, wetting and damaging.

 
   
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