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tert-Butyl methyl ether

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tert-Butyl methyl ether molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 17 grades and pack sizes of tert-Butyl methyl ether (CAS 1634-04-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS1634-04-4
Molecular formulaC5H12O
Molecular weight88.15 g/mol
IUPAC name2-methoxy-2-methylpropane
SynonymsMethyl tert-butyl ether · 2-Methoxy-2-methylpropane · MTBE · Methyl t-butyl ether · Propane, 2-methoxy-2-methyl- · T-BUTYL METHYL ETHER
Safety & Hazards (GHS) Danger
Flammable Flammable Irritant Irritant
  • H225 Highly Flammable liquid and vapor
  • H315 Causes skin irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma TERT-BUTYL METHYL ETHER 20256-1L-F
20256-2.5L-F
PHR1560-3X1.2ML
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Sigma TERT-BUTYL METHYL ETHER, 98% 179787-2.5L Request Quote
Sigma TERT-BUTYL METHYL ETHER, ACS REAGENT, > 443808-1L
443808-2.5L
443808-4X2.5L
443808-500ML
443808-6X1L
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Sigma TERT-BUTYL METHYL ETHER, FOR HPLC, >=99 34875-100ML
34875-1L
34875-2.5L
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Sigma TERT-BUTYL METHYL ETHER, HPLC PLUS, FOR 650560-1L Request Quote
Sigma TERT-BUTYL METHYL ETHER, REAGENT GRADE 179787-1L
320196-1L
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Sigma TERT-BUTYL METHYL ETHER, STANDARD FOR GC 08603-5ML-F Request Quote
Sigma TERT-BUTYL METHYL ETHER, UNITED STATES P 1083303-3X1.2ML Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.