| Identification | More | [Name]
Dibenzo-18-crown-6 | [CAS]
14187-32-7 | [Synonyms]
1,4,7,14,17,20-HEXAOXA-[7.7]ORTHOCYCLOPHANE
2,3,11,12-DIBENZO-1,4,7,10,13,16-HEXAOXACYCLOOCTADECA-2,11-DIENE
6,7,9,10,17,18,20,21-OCTAHYDRODIBENZO
6,7,9,10,17,18,20,21-OCTAHYDRODIBENZO[B,K][1,4,7,10,13,16]HEXAOXACY-CLOOCTADECENE
CROWN ETHER/DIBENZO-18-CROWN-6
DIBENZO-18-CROWN-6
DIBENZO-18-CROWN 6-ETHER
2,3,11,12-dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene,dibenzo-18-crown-6
6,7,9,10,17,18,20,21-octahydrodibenzo(b,k)(1,4,7,10,13,16)hexaoxacyclooctade
6,7,9,10,17,18,20,21-OCTAHYDRODIBENZO(b,k)(1,4,7,10,13,16)HEXAOXACYCLOOCTADECIN
6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine
Crown 18
crown18
crown-18
Dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecane
Dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin, 6,7,9,10,17,18,20,21-octahydro-
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 | [EINECS(EC#)]
238-041-3 | [Molecular Formula]
C20H24O6 | [MDL Number]
MFCD00005098 | [Molecular Weight]
360.4 | [MOL File]
14187-32-7.mol |
| Chemical Properties | Back Directory | [Appearance]
white to slightly beige fluffy powder | [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]
14187-32-7(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36:Irritating to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing . | [WGK Germany ]
2
| [RTECS ]
HP5386000
| [Hazard Note ]
Irritant | [TSCA ]
Yes | [HS Code ]
29329995 | [Toxicity]
LD50 orally in Rabbit: 2600 mg/kg |
| Hazard Information | Back Directory | [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. | [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.] |
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