675407

tert-Butylmethylether

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

• Synonym(e): MTBE, Methyl-tert.-butylether
• Lineare Formel: (CH₃)₃COCH₃
• CAS-Nummer: 1634-04-4
• Molekulargewicht: 88.15
• Beilstein: 1730942
• EG-Nummer: 216-653-1
• MDL-Nummer: MFCD00008812
• UNSPSC-Code: 12190000
• PubChem Substanz-ID: 57652092
• bp: 55-56 °C (lit.)

Eigenschaften

• Qualität: HPLC Plus; for residue analysis
• Qualitätsniveau: 100
• Dampfdichte: 3.1 (vs air)
• Dampfdruck: 4.05 psi
• Assay: 99.9%
• Form: liquid
• Selbstzündungstemp.: 705 °F
• Expl.-Gr.: 15.1 %
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• Verunreinigungen: ≤0.02% Water
• Abdampfrückstand: ≤0.0001%
• Brechungsindex: n20/D 1.369 (lit.)
• bp: 55-56 °C (lit.)
• mp (Schmelzpunkt): -110 °C
• Dichte: 0.74 g/mL at 25 °C (lit.)
• UV-Absorption: λ: 210 nm A_max: ≤1.00; λ: 225 nm A_max: ≤0.50; λ: 250 nm A_max: ≤0.10; λ: 300 nm A_max: ≤0.005; λ: 400 nm A_max: ≤0.005
• Eignung: suitable for residue analysis
• Anwendung(en): food and beverages
• SMILES String: COC(C)(C)C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChIKey: BZLVMXJERCGZMT-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

tert-Butyl methyl ether (MTBE) is a commonly used organic solvent. It can be synthesized by acid-catalyzed reaction between methanol and isobutene. It is an effective alternate to lead-containing additives for enhancing the octane rating of gasoline. The decomposition mechanism of MTBE by heat-assisted persulfate oxidation under different conditions has been reported. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by the stopped-flow method.

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Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H225,H315
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• Gefahreneinstufungen: Flam. Liq. 2 - Skin Irrit. 2
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): -18.4 °F - closed cup
• Flammpunkt (°C): -28 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves