293210

tert-Butyl methyl ether

HPLC grade, suitable for HPLC, 99.8%

• 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: 329753224

Properties

• grade: HPLC grade
• vapor density: 3.1 (vs air)
• vapor pressure: 4.05 psi ( 20 °C)
• Assay: 99.8%
• form: liquid
• autoignition temp.: 705 °F
• purified by: glass distillation
• expl. lim.: 15.1 %
• technique(s): HPLC: suitable
• impurities: <0.010% water
• evapn. residue: <0.0003%
• refractive index: n20/D 1.369 (lit.)
• bp: 55-56 °C (lit.); 55-56 °C
• density: 0.74 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 210 nm A_max: 1.00; λ: 230 nm A_max: 0.40; λ: 250 nm A_max: 0.10; λ: 320-400 nm A_max: 0.01
• 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