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14174-09-5

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14174-09-5 Structure

14174-09-5 Structure
IdentificationMore
[Name]

Dibenzo-24-crown-8
[CAS]

14174-09-5
[Synonyms]

2,3,14,15-DIBENZO-1,4,7,10,13,16,19,22-OCTAOXACYCLOTETRACOSA-2,14-DIENE
[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
CROWN ETHER/DIBENZO-24-CROWN-8
DIBENZO-24-CROWN-8
DIBENZO-24-CROWN-8,1,4,7,10,17,20,23,26-OCTAOXA[10,10]ORTHOCYCLOPHANE
DIBENZO-24-CROWN 8-ETHER
6,7,9,10,12,13,20,21,23,24,26,27-dodecahydrodibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin
6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenzo[b,N][1,4,7,10,13,16,19,22]octaoxacyclotetracosine
beta-Dibenzo-24-crown-8
Dibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin, 6,7,9,10,12,13,20,21,23,24,26,27-dodecahydro-
dibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin,6,7,9,10,12,13,20,21,23,24,26,27-dodecahydro-
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=2,3,14,15-Dibenzo-1,4,7,10,1
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
2,3,14,15-Dibenzo-1,4,7,10,13,16,19,22-octaoxacyclotetracosa-2,14-diene, 6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane
[4,4]DB24C8-Dibenzo crown ether
1,1'-(Ethylenebisoxybisethylenebisoxy)-2,2'-(ethylenebisoxybisethylenebisoxy)bisbenzene
1,2-[(1,2-Phenylene)bis(oxyethyleneoxyethyleneoxyethyleneoxy)]benzene
[EINECS(EC#)]

238-027-7
[Molecular Formula]

C24H32O8
[MDL Number]

MFCD00005101
[Molecular Weight]

448.51
[MOL File]

14174-09-5.mol
Chemical PropertiesBack Directory
[Appearance]

white powder
[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
[InChI]

InChI=1S/C24H32O8/c1-2-6-22-21(5-1)29-17-13-25-9-10-27-15-19-31-23-7-3-4-8-24(23)32-20-16-28-12-11-26-14-18-30-22/h1-8H,9-20H2
[InChIKey]

UNTITLLXXOKDTB-UHFFFAOYSA-N
[SMILES]

O1CCOCCOCCOC2=CC=CC=C2OCCOCCOCCOC2=CC=CC=C12
[CAS DataBase Reference]

14174-09-5(CAS DataBase Reference)
[NIST Chemistry Reference]

Tetracosamethylcyclododecasiloxane(14174-09-5)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[HS Code ]

29329995
[Storage Class]

11 - Combustible Solids
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane(14174-09-5).msds
Hazard InformationBack Directory
[Chemical Properties]

white powder
[Uses]

Dibenzo-24-crown-8 can be used as a molecular transporter in the formation of [1]rotaxanes with thiazolium-based mono- and tris-branched ammonium ions. It is also used as a co-solvent and phase-transfer catalyst for cesium fluoride, to the development of a more efficient anhydrous fluorinating system for organic synthesis.
[Purification Methods]

Recrystallise 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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Dibenzo-24-crown-8(14174-09-5)MS
Dibenzo-24-crown-8(14174-09-5)1HNMR
Dibenzo-24-crown-8(14174-09-5)13CNMR
Dibenzo-24-crown-8(14174-09-5)IR1
Dibenzo-24-crown-8(14174-09-5)IR2
Dibenzo-24-crown-8(14174-09-5)Raman
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

14174-09-5(sigmaaldrich)
[TCI AMERICA]

Dibenzo-24-crown 8-Ether,>98.0%(GC)(14174-09-5)
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