15-crown-5

Structural formula
General
Surname	[15] Crown-5
other names	1,4,7,10,13-pentaoxacyclopentadecane
Molecular formula	C 10 H 20 O 5
Brief description	colorless liquid
External identifiers / databases
EC number	251-379-6
ECHA InfoCard	100,046,694
PubChem	36336
Wikidata	Q4550134
properties
Molar mass	220.26 g mol −1
Physical state	liquid
density	1.113 g cm −3 (20 ° C)
boiling point	93–96 ° C (0.07 hPa)
Refractive index	1.465 (20 ° C)
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 302-315-319
	P: 305 + 351 + 338
Toxicological data	1410 mg kg −1 ( LD 50 , rat , oral ) ; 2520 mg kg −1 ( LD 50 , rabbit , transdermal ) ;
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

[15] Crown-5 is a chemical compound from the group of crown ethers .

Extraction and presentation

[15] Crown-5 can be made by a variety of methods. For example, through a modified Williamson ether synthesis or through cyclic oligomerization of ethylene oxide in the presence of gaseous boron trifluoride .

properties

[15] Krone-5 is a colorless clear liquid. The compound binds selectively sodium - ions , as these fit very well into the free center of the joint.

use

[15] Krone-5 is used for the production of complex compounds based on 15-Krone-5.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j data sheet [15] Krone-5, 98% Template: Linktext-Check / Escaped from Sigma-Aldrich , accessed on December 6, 2015 ( PDF ).
^ Charles L. Liotta, Joachim Berkner, 15-Crown-5, April 15, 2001, doi : 10.1002 / 047084289X.rc263
↑ Paula Yurkanis Bruice: Organic Chemistry compact studying . Pearson Deutschland GmbH, 2011, ISBN 978-3-86894-102-9 , pp. 426 ( limited preview in Google Book search).
↑ Data sheet 15-Crown-5, 98% from AlfaAesar, accessed on December 6, 2015 ( PDF )(JavaScript required) .

[Sigma-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j data sheet [15] Krone-5, 98% Template: Linktext-Check / Escaped from Sigma-Aldrich , accessed on December 6, 2015 ( PDF ).

[10.1002/047084289X.rc263-2] Charles L. Liotta, Joachim Berkner, 15-Crown-5, April 15, 2001, doi : 10.1002 / 047084289X.rc263

[Paula_Yurkanis_Bruice-3] Paula Yurkanis Bruice: Organic Chemistry compact studying . Pearson Deutschland GmbH, 2011, ISBN 978-3-86894-102-9 , pp. 426 ( limited preview in Google Book search).

[Alfa-4] Data sheet 15-Crown-5, 98% from AlfaAesar, accessed on December 6, 2015 ( PDF )(JavaScript required) .