Tert-Butyl Methyl Ether (MTBE) possesses unique physicochemical properties that make it an indispensable reagent in numerous industrial and laboratory processes.
What is Tert-Butyl Methyl Ether CAS 1634-04-4
Tert-Butyl Methyl Ether also known as Methyl tert-butyl ether (MTBE), CAS No. 1634-04-4, is a volatile, flammable ether compound with the molecular formula C₅H₁₂O. Due to environmental concerns, its use as an additive is gradually declining, while its role as a premium solvent in fine chemical synthesis, analytical chemistry, and pharmaceutical production is becoming increasingly significant. High-purity MTBE (typically ≥99.9%) is an indispensable key raw material for these precision applications.
Physical and Chemical Properties of MTBE:
| CAS number: | 1634-04-4 |
| Chemical formula: | C5H12O |
| Molar mass: | 88.150 g·mol−1 |
| Appearance: | colourless liquid |
| Density: | 0.7404 g/cm³ |
| Melting point: | −109 °C (−164 °F; 164 K) |
| Boiling point: | 55.2 °C (131.4 °F; 328.3 K) |
| Solubility in water: | 26 g/L (20 °C)[1] |
| Viscosity: | 0.36 cP at 25 °C |
What is MTBE also known as?
MTBE is an acronym for Methyl tert-butyl ether, the most commonly used name for this organic ether compound.
Synonyms: Methyl t-butyl ether, methyl tert-butyl ether, tert-butyl methyl ether, and 2-methoxy-2-methylpropane.
What is Tert-Butyl Methyl Ether (MTBE) solvent used for?
Extraction Processes:
Methyl Tert-butyl Ether MTBE is exceptionally effective in liquid-liquid extraction, particularly in the isolation of natural products. Its low density, low water solubility, and high selectivity make it ideal for separating organic compounds from aqueous matrices.
- Extraction of plant oils, fragrances, and flavors.
- Isolation of active pharmaceutical ingredients (APIs) from fermentation broths.
- Analytical chemistry
Chromatography:
In high-performance liquid chromatography (HPLC) and flash chromatography, high-purity Tert-Butyl Methyl Ether (MTBE) is frequently used as a mobile phase component.
Specialized Cleaning Agent:
Due to its strong solvency power for greases, oils, and adhesives, and its ability to evaporate without leaving a residue, Tert-Butyl Methyl Ether (CAS 1634-04-4) is used in precision cleaning applications for electronic components and mechanical parts.
Safety
- Tert-Butyl Methyl Ether is flammable and should be kept away from open flames or high-temperature substances. Store in a cool, well-ventilated area.
- Avoid inhaling vapors and prevent contact with skin and eyes.
- Methyl tert-butyl ether may adversely affect the environment; therefore, comply with relevant environmental protection regulations during use and handling.
- In industrial production processes, implement appropriate safety measures, including wearing personal protective equipment such as safety goggles, respirators, and protective gloves.
Conclusion
MTBE (CAS 1634-04-4) is a versatile high-purity solvent, leveraging low boiling point, miscibility, and low reactivity for synthesis, pharmaceuticals, analytics, and electronics.
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