Methyl tert-butyl ether

CAS 1634-04-4

HS 2909199090

Product name: Methyl tert-butyl ether
CAS No.: 1634-04-4
Molecular formula: C5H12O
Applications:
1. Gasoline antiknock additive (traditional largest use): raises octane as a lead replacement; gradually displaced by ethanol gasoline and alkylate but still exported from some capacities
2. Chemical intermediate: high-temperature cracking to high-purity isobutene (butyl rubber / MMA feedstock); pharma and agrochemical intermediates
3. Industrial/lab extractant and reaction solvent: low-polarity extraction of oils, alkaloids and fragrances; low-boiling recoverable synthesis solvent; specialty paint/oil cleaners
4. Historical medical niche: former minimally invasive gallstone solvent — rarely used clinically now

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