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Naphthol AS-OL

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Naphthol AS-OL Basic information

Product Name:
Naphthol AS-OL
Synonyms:
  • 2-HYDROXY-3-NAPHTHOIC ACID O-ANISIDIDE
  • 2-HYDROXY-3-NAPHTHOYL-O-ANISIDIDE
  • 1-(2',3'-Hydroxynaphthoylamino)-2-methoxybenzene
  • 2-(3-Hydroxy-2-naphthamido)anisole
  • 2'-Methoxy-2-hydroxy-3-naphthanilide
  • 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methoxyphenyl)-
  • 2-Naphth-o-anisidide, 3-hydroxy-
  • 3-(2-Methoxyphenylcarbamoyl)-2-naphthol
CAS:
135-62-6
MF:
C18H15NO3
MW:
293.32
EINECS:
205-206-6
Product Categories:
  • Substrates
  • Intermediates of Dyes and Pigments
Mol File:
135-62-6.mol
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Naphthol AS-OL Chemical Properties

Melting point:
161-164 °C(lit.)
Boiling point:
424.1±30.0 °C(Predicted)
Density 
1.304±0.06 g/cm3(Predicted)
storage temp. 
Refrigerator, under inert atmosphere
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
8.74±0.40(Predicted)
Colour Index 
37530
color 
Off-White to Pale Beige
CAS DataBase Reference
135-62-6(CAS DataBase Reference)
NIST Chemistry Reference
3-Hydroxy-2-naphthoyl-ortho-anisidide(135-62-6)
EPA Substance Registry System
2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methoxyphenyl)- (135-62-6)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
2
HS Code 
2924.29.3300

MSDS

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Naphthol AS-OL Usage And Synthesis

Preparation

O-Anisidine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

m brown powder, melting point for 167 ~ 168 ℃. Insoluble in water, slightly soluble in sodium carbonate solution, soluble in ethanol. In sodium hydroxide solution for yellow. A little sensitive to the air. This product is mainly used for cotton yarns, cotton, cotton cloth, towel, bath towel, PVA, viscose, silk, polyamide fiber and two vinegar fiber and cotton cloth dyeing of direct printing, the printing and dyeing discharge printing. Can also be used to make quick pigment, fast amine element, element and organic pigment fast sulfonylurea medications. The affinity of cotton low, coupled ability medium.

Naphthol AS-OL Preparation Products And Raw materials

Preparation Products

Raw materials

Naphthol AS-OLSupplier

J & K SCIENTIFIC LTD.
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3B Pharmachem (Wuhan) International Co.,Ltd.
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TCI (Shanghai) Development Co., Ltd.
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Energy Chemical
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021-021-58432009 400-005-6266
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Adamas Reagent, Ltd.
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400-6009262 16621234537
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chenyj@titansci.com