Methyl tert-butyl ether, abbreviated as MTBE, is an ether organic compound with the chemical formula C₅H₁₂O. It is a colorless transparent low-viscosity flammable liquid with characteristic ether odor. Slightly soluble in water, miscible with ethanol, diethyl ether and other organic solvents. Mainly used as high-octane gasoline additive, extraction solvent and organic synthesis raw material.
| Chemical Name | Methyl tert-Butyl Ether |
| Chemical Formula | C₅H₁₂O |
| CAS | 1634-04-4 |
| Appearance | Colorless transparent liquid |
| Melting point | -109℃ |
| Boiling point | 55.2℃ |
| Density（ρ20）, g/cm³ | 0.741 |
| Molecular Weight | 88.15 |
| Solubility | Slightly soluble in water, miscible with ethanol and diethyl ether |
Primarily used as gasoline anti-knock and high-octane blending additive, also used in pharmaceutical extraction, fine chemical synthesis and reagent solvent.
Store in a cool, ventilated explosion-proof warehouse, strictly isolate ignition sources and static electricity. Seal containers tightly to prevent volatilization and leakage. Strictly prohibit mixed placement with oxidizing agents, keep away from peroxides. Equip with flammable gas alarm, explosion-proof firefighting equipment and anti-overflow containment facilities.
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