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18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]

Basic information Safety Supplier Related

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Basic information

Product Name:
18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]
Synonyms:
  • 5-(2,4-DINITROPHENYLAZO)-2-HYDROXY-1,3-XYLYLENE-18-CROWN 5-ETHER
  • 18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]
  • 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, 19-[2-(2,4-dinitrophenyl)diazenyl]-
CAS:
81238-58-6
MF:
C22H26N4O10
MW:
506.46
Product Categories:
  • Crown Ethers
  • Functional Materials
  • Macrocycles for Host-Guest Chemistry
Mol File:
81238-58-6.mol
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18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Chemical Properties

Melting point:
109.5-110 °C(Solv: methanol (67-56-1))
Boiling point:
752.0±60.0 °C(Predicted)
Density 
1.44±0.1 g/cm3(Predicted)
pka
7?+-.0.20(Predicted)
form 
powder to crystal
color 
Light yellow to Amber to Dark green
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Safety Information

HS Code 
2932.99.7000
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18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Usage And Synthesis

Uses

18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] (CAS# 81238-58-6) is a crown ether derivative used in the enantiomeric determination of amines by square wave voltammetry using azophenolic crowns in aprotic solvent.

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]Supplier

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