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Dibenzo-24-crown-8

Dibenzo-24-crown-8 Basic information
Product Name:Dibenzo-24-crown-8
Synonyms:CROWN ETHER/DIBENZO-24-CROWN-8;[4,4]-DIBENZO-24-CROWN-8;6,7,9,10,12,13,20,21,23,24,26,27-DODECAHYDRODIBENZ[B,N]-1,4,7,10,13,16,19,22-OCTAOXYCYCLOTETRACOSANE;2,3,14,15-DIBENZO-1,4,7,10,13,16,19,22-OCTAOXACYCLOTETRACOSA-2,14-DIENE;Dibenzo-24-crown-8=2,3,14,15-Dibenzo-1,4,7,10,1;n](1,4,7,10,13,16,19,22)octaoxacyclotetracosin,6,7,9,10,12,13,20,21,23,24,26,27-dodecahydro-Dibenzo[b;Dibenzo-24-crown-8,98%;6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane
CAS:14174-09-5
MF:C24H32O8
MW:448.51
EINECS:238-027-7
Product Categories:crown ether;Macrocycles for Host-Guest Chemistry;Crown Ethers;Functional Materials
Mol File:14174-09-5.mol
Dibenzo-24-crown-8 Structure
Dibenzo-24-crown-8 Chemical Properties
Melting point 103-105 °C(lit.)
Boiling point 517.23°C (rough estimate)
density 1.1606 (rough estimate)
refractive index 1.5500 (estimate)
storage temp. Store below +30°C.
solubility almost transparency in hot Methanol
form crystal
color white
Sensitive air sensitive
BRN 1693744
InChIKeyUNTITLLXXOKDTB-UHFFFAOYSA-N
CAS DataBase Reference14174-09-5(CAS DataBase Reference)
NIST Chemistry ReferenceTetracosamethylcyclododecasiloxane(14174-09-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
HS Code 29329995
Dibenzo-24-crown-8 Usage And Synthesis
Chemical Propertieswhite powder
Purification MethodsRecrystallise it from EtOH, and dry in a vacuum at 60o over P2O5 for 16hours. [Delville et al. J Am Chem Soc 109 7293 1987, V.gtle ed. Top Corr Chem (Host Guest Complex Chemistry) 98 1981.]
Dibenzo-24-crown-8 Preparation Products And Raw materials
Raw materialsPIPERAZINE DIHYDROCHLORIDE
2-(2-HYDROXYETHOXY)PHENOL 4,4'(5')-DI-T-BUTYLDIBENZO-24-CROWN-8 4,4(5)-DI(1-HYDROXYLAURYL)DIBENZO-24-CROWN-8 1,4,7,10,13,16,19,22-OCTAOXACYCLOTETRACOSANE [3,5!-DIBENZO-24-CROWN-8, 98,3,5-DIBENZO-24-CROWN-8 98% Dibenzo-24-crown-8 Isophthalic acid 1,2-Diethoxybenzene 2-(2-phenoxyethoxy)ethanol DIBENZO-24-CROWN-8 = 2,3,14,15-DIBENZO-1,4,7,10,13,16,19,22-OCTAOXACYCLOTETRACOSA-2,14-DIENE Diphenyl ether 4,4(5)-DI(1-HYDROXYMYRISTYL)DIBENZO-24-CROWN-8 [3,5]-DIBENZO-24-CROWN-8 Diethylene glycol ethyl methyl ether 1-ETHOXY-2-METHOXYBENZENE 2-(2-Methoxyphenoxy)ethanol 12-Crown-4 2-Ethoxyphenol
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