Dibenzo-18-crown-6

Dibenzo-18-crown-6 Basic information

Product Name:	Dibenzo-18-crown-6
Synonyms:	CROWN ETHER/DIBENZO-18-CROWN-6;DIBENZO-18-CROWN-6;dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin,6,7,9,10,17,18,20,21-octahyd;dibenzo[bk][1,4,7,10,13,16]hexaoxacyclooctadecane;Dibenzocrown;Diphenyl-18-crown-6-polyether;k](1,4,7,10,13,16)hexaoxacyclooctadecin,6,7,9,10,17,18,20,21-octahydro-Dibenzo[b;6,7,9,10,12,13,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclo-octadecin
CAS:	14187-32-7
MF:	C20H24O6
MW:	360.4
EINECS:	238-041-3
Product Categories:	crown ether;API intermediates;Crown Ethers;Functional Materials;Macrocycles for Host-Guest Chemistry
Mol File:	14187-32-7.mol

Dibenzo-18-crown-6 Chemical Properties

Melting point	162-164 °C (lit.)
Boiling point	380-384 °C (679 mmHg)
density	1.1801 (rough estimate)
refractive index	1.5200 (estimate)
Fp	380-384°C/679mm
storage temp.	Store below +30°C.
solubility	0.007g/l
form	Fluffy Powder
color	White to slightly beige
Water Solubility	sparingly soluble
Sensitive	air sensitive
λmax	277nm(CH2Cl2)(lit.)
Merck	14,2602
BRN	1162153
InChIKey	YSSSPARMOAYJTE-UHFFFAOYSA-N
CAS DataBase Reference	14187-32-7(CAS DataBase Reference)
NIST Chemistry Reference	Dibenzo-18-crown-6(14187-32-7)
EPA Substance Registry System	Dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin, 6,7,9,10,17,18,20,21-octahydro- (14187-32-7)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	36-36/37/38-20/21/22
Safety Statements	26-37/39-36
WGK Germany	2
RTECS	HP5386000
Hazard Note	Irritant
TSCA	Yes
HS Code	29329995
Toxicity	LD50 orally in Rabbit: 2600 mg/kg

MSDS Information

Provider	Language
2,3,11,12-Dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene	English
SigmaAldrich	English
ACROS	English
ALFA	English

Dibenzo-18-crown-6 Usage And Synthesis

Chemical Properties	white to slightly beige fluffy powder
Uses	Crown ether/Dibenzo-18-crown-6 for synthesis. CAS 14187-32-7, molar mass 360.41 g/mol.
Uses	Dibenzo-18-crown-6, is used as an important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff. It is an important organic intermediate.
Definition	ChEBI: Dibenzo-18-crown-6 is a crown ether that is 18-crown-6 ortho-fused to two benzene rings at positions 8-9 and 17-18. It has a role as a phase-transfer catalyst. It is a member of benzenes and a crown ether.
Purification Methods	Crystallise it from *benzene, n-heptane or toluene and dry it under vacuum at room temperature for several days. [Szezygiel J Phys Chem 91 1252 1987, V.gtle ed. Top Corr Chem (Host Guest Complex Chemistry) 98 1981.]

Dibenzo-18-crown-6 Preparation Products And Raw materials

Raw materials	Phenol, 2-[2-(2-chloroethoxy)ethoxy]--->1,2-bis[2-(2-chloroethoxy)ethoxy]benzene-->1,5-BIS(O-HYDROXYPHENOXY)-3-OXAPENTANE-->1,2-Bis[2-(2-formylphenoxy)ethoxy]ethane-->2,2'-Dichlorodiethyl ether-->1,4-Diazabicyclo[2.2.2]octane Dihydrochloride-->Salicylaldehyde-->Catechol-->PIPERAZINE DIHYDROCHLORIDE
Preparation Products	Dicyclohexano-18-crown-6

4,4(5)-DI(1-HYDROXY-2-ETHYLHEXYL)DIBENZO-18-CROWN-6 4,4(5)-DI(1-HYDROXYHEXYL)DIBENZO-18-CROWN-6 4',4''(5'')-DIVALERYLDIBENZO-18-CROWN-6 4,4(5)-DI(1-HYDROXYDECYL)DIBENZO-18-CROWN-6 4,4''(5'')-DIAMINO-2,4-DIBENZO-18-CROWN-6,DIHYDROCHLORIDE 99% 4,4(5)-DI(1-HYDROXYISOBUTYL)DIBENZO-18-CROWN-6 4,4(5)-DI(1-HYDROXYNONYL)DIBENZO-18-CROWN-6 4,4'(5')-DIBROMODIBENZO-18-CROWN-6 SALOR-INT L498009-1EA 2,4a-DIBENZO-18-CROWN-6, 99+%,[2,4!-DIBENZO-18-CROWN-6, 99+% 4',4''(5'')-DI-(TERT-PENTYL)-DIBENZO-18-CROWN-6 4,4'(5')-DIAMINO-[2,4]-DIBENZO-18-CROWN-6 DIHYDROCHLORIDE 4-AMINODIBENZO-18-CROWN-6 HYDROCHLORIDE, 97 4,4'(5')-DIAMINO-2,4a-DIBENZO-18-CROWN-6,DIHYDROCHLORIDE, 99% COPOLYMER OF DIBENZO-18-CROWN-6 AND FORMALDEHYDE,DIBENZO-18-CROWN-6 POLYMER,POLY(DIBENZO-18-CROWN-6),POLY[(DIBENZO-18-CROWN-6)-CO-FORMALDEHYDE] 4,4'(5')-DI-T-BUTYLDIBENZO-18-CROWN-6 4,4(5)-DI(1-HYDROXYHEPTYL)DIBENZO-18-CROWN-6 4',4''(5'')-DIACETYLDIBENZO-18-CROWN-6

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