CAS Number: 110‑71‑4
Synonyms: Monoglyme; Dimethoxyethane; Ethylene glycol dimethyl ether; DME; Glyme
Chemical Formula:C₄H₁₀O₂
Molecular Weight:90.12 g/mol
Product Introduction
A colorless, volatile liquid with a mild ether-like odor. An aprotic solvent miscible with water and many organics, widely used in lithium battery electrolytes, organometallic synthesis (e.g., Grignard, Suzuki), polymer chemistry, and pharmaceutical extraction.
| Property | Value |
|---|---|
| Appearance | Colorless, transparent liquid |
| Odor | Mild ether-like |
| Density @ 20 °C | ~0.867 g/mL |
| Melting Point | –69 °C |
| Boiling Point | ~85 °C |
| Flash Point | ~32 °F (~0 °C) |
| Vapor Pressure @ 20 °C | ~54 mm Hg |
| Refractive Index (n₂₀ᴅ) | ~1.379 |
| Solubility in Water | Miscible |
Flammable (UN 2252, Hazard Class 3). Moderate acute toxicity; GHS H225/H315/H332/H360FD. Store ventilated, cool, away from oxidizers; use PPE and avoid open flame.