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14262-60-3

Basic Information
CAS No.: 14262-60-3
Name: DIBENZO-15-CROWN-5
Article Data: 7
Molecular Structure:
Molecular Structure of 14262-60-3 (DIBENZO-15-CROWN-5)
Formula: C18H20O5
Molecular Weight: 316.3484
Synonyms: Dibenzo-15-crown-5;NSC 649284;Dibenzo[b,h][1,4,7,10,13]pentaoxacyclopentadecin,6,7,9,10,17,18-hexahydro-;
Density: 1.126 g/cm3
Melting Point: 104-108 °C
Boiling Point: 451.5 °C at 760 mmHg
Flash Point: 186.7 °C
Appearance: white to slightly yellow shiny powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 46.15000
LogP: 2.93220
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Specification

The Diabenzo-15-crown-5, with the CAS registry number 14262-60-3, is also known as Dibenzo[b, h][1, 4, 7, 10, 13]pentaoxacyclopentadecin, 6, 7, 9, 10, 17, 18-hexahydro-. It belongs to the product categories of Crown Ethers; Functional Materials; Macrocycles for Host-Guest Chemistry; Chelation/Complexation Compounds; Crown Ethers; Synthetic Reagents. This chemical's molecular formula is C18H20O5 and molecular weight is 316.35. What's more, its systematic name is 6, 7, 9, 10, 17, 18-Hexahydrodibenzo[b, h][1, 4, 7, 10, 13]pentaoxacyclopentadecine.

Physical properties about Diabenzo-15-crown-5 are: (1)ACD/LogP: 2.80; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 5; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: 46.15 Å2; (7)Index of Refraction: 1.516; (8)Molar Refractivity: 84.88 cm3; (9)Molar Volume: 280.9 cm3; (10)Polarizability: 33.64×10-24 cm3; (11)Surface Tension: 40.8 dyne/cm; (12)Density: 1.126 g/cm3; (13)Flash Point: 186.7 °C; (14)Enthalpy of Vaporization: 68.33 kJ/mol; (15)Boiling Point: 451.5 °C at 760 mmHg; (16)Vapour Pressure: 6.46E-08 mmHg at 25°C.

Preparation of Diabenzo-15-crown-5: this chemical is prepared by reaction of Bis-(2-chloro-ethyl) ether with 1, 2-Bis(o-hydroxyphenoxy)ethane. The reaction needs reagent KOH and solvent Dimethylsulfoxide. The reaction time is 2.5 hours with reaction temperature of 90 °C. The yield is about 66 %.

The Diabenzo-15-crown-5 can be obtained by Bis-(2-chloro-ethyl) ether and 1, 2-Bis(o-hydroxyphenoxy)ethane.

When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. In addition, this chemical may cause inflammation to the skin or other mucous membranes. During using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O1c3c(OCCOCCOc2ccccc2OCC1)cccc3
(2) InChI: InChI=1/C18H20O5/c1-3-7-17-15(5-1)20-11-9-19-10-12-21-16-6-2-4-8-18(16)23-14-13-22-17/h1-8H,9-14H2
(3) InChIKey: QSBFECWPKSRWNM-UHFFFAOYAM