Triethylene glycol dimethyl ether

Names
Preferred IUPAC name

2,5,8,11-Tetraoxadodecane

Other names

Triglyme; 1,2-Bis(2-methoxyethoxy)ethane

Identifiers

CAS Number

* 112-49-2 Y

3D model (JSmol)

* Interactive image

Abbreviations  | TEGDME
ChEBI |

* CHEBI:31967

ChemSpider |

* 13835222

PubChem CID

* 8189

UNII |

* 32YXG88KK0 Y

InChI

* InChI=1S/C8H18O4/c1-9-3-5-11-7-8-12-6-4-10-2/h3-8H2,1-2H3

Key: YFNKIDBQEZZDLK-UHFFFAOYSA-N

SMILES

* COCCOCCOCCOC

Properties

Chemical formula

| C8H18O4
Molar mass | 178.228 g·mol−1
Appearance  | Colorless liquid
Density | 0.986 g/cm3
Melting point |  −45 °C (−49 °F; 228 K)
Boiling point |  216 °C (421 °F; 489 K)

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tracking categories (test):

* SizeSet

Triethylene glycol dimethyl ether (also called triglyme) is a glycol ether and solvent. It is used as a reaction medium in organic chemistry,[1] as well as a component of certain brake fluids, paints, adhesives, and paint strippers.[2][3][4]

Triglyme has also been investigated as a green alternative to traditional hypergolic rocket propellants.[5]

## See also

* Monoglyme
* Diglyme
* Tetraglyme

## References

1. ↑ Fieser, Louis Frederick; Fieser, Mary (1967). Reagents for Organic Synthesis. Wiley. pp. 239,1110. https://books.google.com/books?id=zNXvAAAAMAAJ&dq=triglyme+solvents+table. Retrieved 2025-10-13.
2. ↑ "Actual and Potential Uses of Fourteen Selected Glymes". Abt Associates. 9 September 2009. https://www.regulations.gov/document/EPA-HQ-OPPT-2009-0767-0014.
3. ↑ "Ethylene Glycol Ethers; Significant New Use Rule". Environmental Protection Agency. 16 December 2014. https://www.federalregister.gov/documents/2014/12/16/2014-29429/ethylene-glycol-ethers-significant-new-use-rule.
4. ↑ Tang, Shaokun; Zhao, Hua (2014). "Glymes as Versatile Solvents for Chemical Reactions and Processes: from the Laboratory to Industry". RSC Advances 4 (22). doi:10.1039/C3RA47191H.
5. ↑ Moser, Abigayle; Ji, Christopher; Potthast, Kevin; Amin, Yash; Dalton, Robert; Damjanov, Andrej; Romanowski, Joshua; Grimsich, Tyler et al. (8 January 2026). "Development of an Optically Accessible Green Hypergolic Rocket Engine with Bi Swirl Injector". AIAA SciTech 2026 Forum. https://doi.org/10.2514/6.2026-1601.

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*[CID]: Compound ID