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NAPHTHOL AS-LT

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NAPHTHOL AS-LT Basic information

Product Name:
NAPHTHOL AS-LT
Synonyms:
  • NAPHTHOL AS-LT
  • 3-hydroxy-4’-methoxy-2’-methyl-2-naphthanilide
  • 3-hydroxy-n-(4-methoxy-2-methylphenyl)-2-naphthalenecarboxamid
  • 3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-Naphthalenecarboxamide
  • 3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-naphthamide
  • Naphthol AS-LT (C.I. 37540)
  • 3-Hydroxy-N-(4-methoxy-2-methylphenyl)naphthalene-2-carboxamide
  • 2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl)
CAS:
3689-20-1
MF:
C19H17NO3
MW:
307.34
EINECS:
222-994-7
Mol File:
3689-20-1.mol
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NAPHTHOL AS-LT Chemical Properties

Melting point:
191-192 °C(Solv: benzene (71-43-2))
Boiling point:
436.8±45.0 °C(Predicted)
Density 
1.274±0.06 g/cm3(Predicted)
pka
8.75±0.40(Predicted)
CAS DataBase Reference
3689-20-1
EPA Substance Registry System
2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl)- (3689-20-1)
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NAPHTHOL AS-LT Usage And Synthesis

Preparation

5-Methoxy-2-methylbenzenamine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

shallow brown powder, soluble in butanol and pyridine, insoluble in water and sodium carbonate solution. In the light of sulfuric acid is palm yellow solution; In sodium hydroxide solution for yellow in liquid, a green fluorescent. Melting point for 196 ~ 197 ℃, of air sensitive. Mainly used for cotton cloth dyeing and printing, also can be used for silk, polyamide, two vinegar fiber, viscose and WeiGuan dyeing. This product to cotton affinity medium

NAPHTHOL AS-LT Preparation Products And Raw materials

Raw materials

NAPHTHOL AS-LTSupplier

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