tert-Butyl methyl ether CAS 1634-04-4

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tert-Butyl methyl ether CAS 1634-04-4

CAS: 1634-04-4
Molecular Formula: C5H12O
Molecular Weight: 88.15
EINECS: 216-653-1
HS Code: 2909 19 90

Synonyms: Methyl-tert-bu; tert-ButylmethyletherforHPLC,>=99.8%; tert-ButylmethyletherHPLCPlus,forHPLC,GC,andresidueanalysis,99.9%; tert-Butylmethyletherpuriss.p.a.,>=99.5%(GC); tert-Butylmethyletherreagentgrade,>=98%; tert-ButylMethyletherACSreagent,>=99.0%; tert-ButylMethylether,99%,SpcDry,Water≤50ppM(byK.F.),SpcSeal; N-ALPHA-T-BOC-NG-(4-METHOXY-2,3,6TRIMETHYLBENZENESULFONYL)-L-ARGININE

What is tert-Butyl methyl ether CAS 1634-04-4?

tert-Butyl methyl ether CAS 1634-04-4, commonly abbreviated as MTBE, serves as a key oxygen-containing additive in gasoline formulations since the 1980s, while also functioning as a specialized solvent and intermediate in chemical and petrochemical processes, including limited medical applications like gallstone dissolution in certain regions.

Specifications

Property Value
Appearance Colorless liquid
Melting Point -110 °C
Boiling Point 55-56 °C (lit.)
Density 0.7404 g/cm3
Flash Point (Fp) -27 °F (-32.8 °C)
Storage Conditions Store at +2°C to +25°C. Keep container tightly closed in a dry, cool, and well-ventilated storage area away from heat, sparks, open flames, and strong oxidizing agents.

Features

  • Octane Booster: Significantly raises gasoline octane rating for smoother engine performance.
  • Oxygenate Additive: Supplies oxygen to promote cleaner and more complete fuel combustion.
  • Peroxide Resistance: Low tendency to form explosive peroxides compared to other aliphatic ethers, making it safer for storage and use.
  • Solvent Stability: Offers good chemical stability in various conditions and excellent miscibility with organic compounds.
  • High Volatility: Enables easy blending and predictable evaporation dynamics in open and closed fuel systems.

Applications

  • Gasoline Additive: Blended extensively into unleaded and reformulated gasoline to reduce harmful carbon monoxide and ozone-forming emissions.
  • Octane Enhancer: Acts as an efficient alternative to traditional lead-based additives to improve anti-knock resistance in combustion engines.
  • Laboratory Solvent: Widely used as an economical non-polar solvent for liquid-liquid extractions or as a specialized HPLC/GC eluent in analytical chemistry.
  • Petrochemical Intermediate: Cracked catalytically to produce high-purity isobutene, methacrolein, and other downstream chemical derivatives.
  • Medical Use: Employed via specialized contact dissolution methods for the direct clinical dissolution of gallstones in specific therapeutic procedures.

Packaging

Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.

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