50126

tert-Butyl methyl ether

suitable for HPLC, ≥99.8% (GC)

• Synonym(s): MTBE, Methyl tert-butyl ether
• Linear Formula: (CH₃)₃COCH₃
• CAS Number: 1634-04-4
• Molecular Weight: 88.15
• Beilstein: 1730942
• EC Number: 216-653-1
• MDL number: MFCD00008812
• UNSPSC Code: 12190000
• PubChem Substance ID: 329757569

Properties

• vapor density: 3.1 (vs air)
• Assay: ≥99.8% (GC)
• form: liquid
• autoignition temp.: 705 °F
• shelf life: limited shelf life, expiry date on the label
• expl. lim.: 15.1 %
• technique(s): HPLC: suitable
• impurities: ≤0.05% water
• evapn. residue: ≤0.001%
• refractive index: n20/D 1.369 (lit.); n20/D 1.369
• bp: 55-56 °C (lit.)
• density: 0.74 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 220 nm A_max: 1.0; λ: 250 nm A_max: 0.1; λ: 280 nm A_max: 0.01
• application(s): food and beverages
• SMILES string: COC(C)(C)C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChI key: BZLVMXJERCGZMT-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H315
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• Hazard Classifications: Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): -18.4 °F - closed cup
• Flash Point(C): -28 °C - closed cup