ChemicalBook > CAS DataBase List > Dibenzo-24-crown-8

Dibenzo-24-crown-8

Product Name
Dibenzo-24-crown-8
CAS No.
14174-09-5
Chemical Name
Dibenzo-24-crown-8
Synonyms
DIBENZO-24-CROWN-8;Diabenzo-24-Bcrown-8;Dibenzo-24-crown-8,98%;Dibenzo-24-crown-8 98%;dibenzo-24-crown ether;beta-Dibenzo-24-crown-8;DIBENZO-24-CROWN 8-ETHER;[4,4]-DIBENZO-24-CROWN-8;[4,4]-Dibenzo-24-crown-8,98%;Dibenzo-24-crown 8-Ether >
CBNumber
CB3219045
Molecular Formula
C24H32O8
Formula Weight
448.51
MOL File
14174-09-5.mol
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Dibenzo-24-crown-8 Property

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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29329995
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.13755
Product name
Crown ether/Dibenzo-24-crown-8
Purity
for synthesis
Packaging
1g
Price
$87.7
Updated
2025/07/31
Sigma-Aldrich
Product number
8.13755
Product name
Crown ether/Dibenzo-24-crown-8
Purity
for synthesis
Packaging
5G
Price
$322
Updated
2025/07/31
Sigma-Aldrich
Product number
253197
Product name
Dibenzo-24-crown-8
Purity
98%
Packaging
1g
Price
$104
Updated
2025/07/31
Sigma-Aldrich
Product number
253197
Product name
Dibenzo-24-crown-8
Purity
98%
Packaging
5g
Price
$196.7
Updated
2025/07/31
TCI Chemical
Product number
D1830
Product name
Dibenzo-24-crown 8-Ether
Purity
>98.0%(GC)
Packaging
1g
Price
$82
Updated
2025/07/31
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Dibenzo-24-crown-8 Chemical Properties,Usage,Production

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.]

Dibenzo-24-crown-8 Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Dibenzo-24-crown-8 manufacturers

Career Henan Chemical Co
Product
Dibenzo-24-crown-8 14174-09-5
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kg
Release date
2019-12-24

14174-09-5, Dibenzo-24-crown-8Related Search:

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  • 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
  • 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
  • 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
  • 2,2'-[Ethylenebis(oxyethyleneoxy)]-[1,1'-[ethylenebis(oxyethyleneoxy)]bisbenzene]
  • [4,4]-Dibenzo-24-crown-8,98%
  • Diabenzo-24-Bcrown-8
  • CROWN ETHER/DIBENZO-24-CROWN-8 FOR SYNTH
  • Dibenzo-24-crown-8 98%
  • 6,7,9,10,12,13,15,16,18,19,21,22-Dodecahydrodibenzo[b,e][1,4,7,10,13,16,19,22]octaoxacyclotetracosine
  • Crown ether/Dibenzo-24-crown-8 for synthesis
  • 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-
  • Dibenzo-24-crown 8-Ether &gt
  • 6,7,9,10,12,13,20,21,23,24,26,27-dodecahydrodibenz[b,n][1,4,...
  • dibenzo-24-crown ether
  • 14174-09-5
  • C24H32O8
  • Chelation/Complexation Compounds
  • Macrocycles for Host-Guest Chemistry
  • Crown Ethers
  • Synthetic Reagents
  • crown ether
  • Macrocycles for Host-Guest Chemistry
  • Crown Ethers
  • Functional Materials