Product Introduction
| 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 |
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| 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 | 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 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 |
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