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23978-55-4

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CAS No.: 23978-55-4
Name: 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane
Article Data: 30
Molecular Structure:
Molecular Structure of 23978-55-4 (1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane)
Formula: C12H26 N2 O4
Molecular Weight: 262.349
Synonyms: 1,10-Diaza-18-crownether;1,10-Diaza-18-crown-6;1,10-Diaza-4,7,13,16-tetraoxa-18-crown-6;1,10-Diaza-4,7,13,16-tetraoxacyclooctadecane;1,7,10,16-Tetraoxa-4,13-diazacyclooctadecane;2,2'-Kryptofix;4,13-Diaza-18-crown-6;4,7,13,16-Tetraoxa-1,10-diazacyclooctadecane;7,16-Diaza-1,4,10,13-tetraoxacyclooctadecane;7,16-Diaza-18-crown-6;Cryptand22;Cryptand(2.2);Crytand[2,2];Diaza crown ether 22;Diaza-18-crown-6;Kryptand[2.2];Kryptofix 22;Kryptofix[2.2];NSC 339325;
EINECS: 245-965-0
Density: 0.952g/cm3
Melting Point: 111 -114
Boiling Point: 412.1°Cat760mmHg
Flash Point: 170.6°
Solubility: soluble off-white shiny crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 60.98000
LogP: -0.09680
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Specification

    1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane (CAS no: 23978-55-4) is a off-white shiny crystalline powder, with its IUPAC Name 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane-2,6,17-trione. Besides, it has other names, such as 1,10-Diaza-18-crownether  7 , 16-Diaza-18-crown-6 , and Diaza crown ether 22 .

     This kind of chemical has the index of refraction 1.411, molar refractivity 68.45 cm3  and molar volume 275.5 cm3. And its polarizability is 27.13 × 10-24cm3,  surface tension is  29.9 dyne/cm, enthalpy of vaporization is 66.46 kJ/mol  and the  vapour pressure is 5.33E-07 mmHg at 25°C.

      1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane has been used in many different ways, eg. Chemicals, organic intermediates, fine chemicals, pharmaceutical R & D and etc. You could also convert the chemical data into the molecular structure by using the below chainings:
SMILES:
O1CCNCCOCCOCCNCCOCC1
InChI:
InChI=1/C12H26N2O4/c1-5-15-9-10-17-7-3-14-4-8-18-12-11-16-6-2-13-1/h13-14H,1-12H2 .