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)

Flash point:

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

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

Dibenzo-18-crown-6 Usage And Synthesis

Chemical Properties

white to slightly beige fluffy powder

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.

Uses

Crown ether/Dibenzo-18-crown-6 for synthesis. CAS 14187-32-7, molar mass 360.41 g/mol.

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(14187-32-7)Related Product Information

• Benzophenone
• Bis(2-ethylhexyl) phthalate
• Diphenyl ether
• 12-Crown-4
• p-Phenylenediamine
• Isophthalic acid
• Phthalic acid
• Potassium hydrogen phthalate
• DIBENZO-30-CROWN-10
• 4',4''(5'')-DI-TERT-BUTYLDIBENZO-18-CROWN-6
• 4',4''(5'')-DIACETYLDIBENZO-18-CROWN-6
• PERHYDRO-DIBENZO-18-CROWN-6
• 2,4a-DIBENZO-18-CROWN-6, 99+%,[2,4!-DIBENZO-18-CROWN-6, 99+%
• Diethyl ether
• 18-Crown-6
• 4',4''(5'')-DIVALERYLDIBENZO-18-CROWN-6
• 4,4'(5')-DIBROMODIBENZO-18-CROWN-6
• 4'-AMINODIBENZO-18-CROWN-6