15-Crown-5

15-Crown-5
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name
1,4,7,10,13-Pentaoxacyclopentadecane[1]
Identifiers
3D model (JSmol)
1618144
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.046.694 Edit this at Wikidata
EC Number
  • 251-379-6
3897
MeSH 15-Crown-5
RTECS number
  • SB0200000
  • InChI=1S/C10H20O5/c1-2-12-5-6-14-9-10-15-8-7-13-4-3-11-1/h1-10H2 checkY
    Key: VFTFKUDGYRBSAL-UHFFFAOYSA-N checkY
  • InChI=1/C10H20O5/c1-2-12-5-6-14-9-10-15-8-7-13-4-3-11-1/h1-10H2
    Key: VFTFKUDGYRBSAL-UHFFFAOYAH
  • C1COCCOCCOCCOCCO1
Properties
C10H20O5
Molar mass 220.265 g·mol−1
Appearance Clear, colorless liquid
Density 1.113 g cm−3 (at 20 °C)
Boiling point 93–96 °C (199–205 °F; 366–369 K) at 0.05 mmHg
log P -0.639
1.465
Thermochemistry
-881.1--877.1 kJ mol−1
-5.9157--5.9129 MJ mol−1
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H315, H319
P305+P351+P338
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
1
0
Flash point 113 °C (235 °F; 386 K)
Safety data sheet (SDS) msds.chem.ox.ac.uk
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

15-Crown-5 is a crown ether with the formula (C2H4O)5. It is a cyclic pentamer of ethylene oxide that forms complex with various cations, including sodium (Na+)[2] and potassium (K+);[3] however, it is complementary to Na+ and thus has a higher selectivity for Na+ ions.

  1. ^ "15-crown-5 - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 11 October 2011.
  2. ^ Takeda, Y.; et al. (1988). "A Conductance Study of 1:1 Complexes of 15-Crown-5, 16-Crown-5, and Benzo-15-crown-5 with Alkali Metal Ions in Nonaqueous Solvents". Bulletin of the Chemical Society of Japan. 61 (3): 627–632. doi:10.1246/bcsj.61.627.
  3. ^ Chen, Chun-Yen; et al. (2006). "Potassium ion recognition by 15-crown-5 functionalized CdSe/ZnS quantum dots in H2O". Chem. Comm. (3): 263–265. doi:10.1039/B512677K. PMID 16391728.