Diglyme
| Names | |
|---|---|
| Preferred IUPAC name
1-Methoxy-2-(2-methoxyethoxy)ethane | |
| Other names
Diglyme 2-Methoxyethyl ether Di(2-methoxyethyl) ether Diethylene glycol dimethyl ether | |
| Identifiers | |
3D model (JSmol) |
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| 1736101 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.003.568 |
| EC Number |
|
| 26843 | |
PubChem CID |
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| RTECS number |
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| UNII | |
| UN number | 2252 1993 |
CompTox Dashboard (EPA) |
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| Properties | |
| (CH3OCH2CH2)2O | |
| Molar mass | 134.175 g·mol−1 |
| Density | 0.937 g/mL |
| Melting point | −64 °C (−83 °F; 209 K) |
| Boiling point | 162 °C (324 °F; 435 K) |
| Miscible | |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H226, H360 | |
| P201, P202, P210, P233, P240, P241, P242, P243, P280, P281, P303+P361+P353, P308+P313, P370+P378, P403+P235, P405, P501 | |
| Flash point | 57 °C (135 °F; 330 K) |
| Related compounds | |
Related compounds |
Diethylene glycol diethyl ether, ethylene glycol dimethyl ether |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Diglyme, or bis(2-methoxyethyl) ether, is an organic compound with the chemical formula (CH3OCH2CH2)2O. It is a colorless liquid with a slight ether-like odor. It is a solvent with a high boiling point. It is the dimethyl ether of diethylene glycol. The name diglyme is a portmanteau of diglycol methyl ether. It is miscible with water as well as organic solvents.
It is prepared by a reaction of dimethyl ether and ethylene oxide over an acid catalyst.