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12-Crown-4
Chemical compound / From Wikipedia, the free encyclopedia
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12-Crown-4, also called 1,4,7,10-tetraoxacyclododecane and lithium ionophore V, is a crown ether with the formula C8H16O4. It is a cyclic tetramer of ethylene oxide which is specific for the lithium cation.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
1,4,7,10-Tetraoxacyclododecane | |||
Other names
12-crown-4, Lithium Ionophore V | |||
Identifiers | |||
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3D model (JSmol) |
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1363064 | |||
ChEBI | |||
ChemSpider |
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ECHA InfoCard | 100.005.488 ![]() | ||
EC Number |
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3287 | |||
PubChem CID |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C8H16O4 | |||
Molar mass | 176.21 | ||
Density | 1.089 g/mL at 25 °C | ||
Melting point | 16 °C | ||
Boiling point | 61-70 °C/0.5 mm Hg | ||
Miscible | |||
Hazards | |||
Flash point | 113 °C (235 °F; 386 K) | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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