650560

tert-Butyl méthyl éther

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

• Synonyme(s) : MTBE, Éther méthylique tert-butylique
• Formule linéaire : (CH₃)₃COCH₃
• Numéro CAS: 1634-04-4
• Poids moléculaire : 88.15
• Numéro Beilstein : 1730942
• Numéro CE : 216-653-1
• Numéro MDL: MFCD00008812
• Code UNSPSC : 12190000
• ID de substance PubChem : 329760029
• Nomenclature NACRES : NA.07

Propriétés

• Qualité: HPLC Plus; for residue analysis
• Niveau de qualité: 100
• Densité de vapeur: 3.1 (vs air)
• Pression de vapeur: 4.05 psi
• Pureté: 99.9%
• Forme: liquid
• Température d'inflammation spontanée: 705 °F
• Limite d'explosivité: 15.1 %
• Technique(s): HPLC: suitable; gas chromatography (GC): suitable
• Impuretés: ≤0.02% water; <1.0 ppb Fluorescence (quinine) at 365 nm
• Résidus d'évap.: ≤0.0001%
• Résidus halogénés: ≤10 ng/L (as heptachlor epoxide)
• Indice de réfraction: n20/D 1.369 (lit.)
• Point d'ébullition: 55-56 °C (lit.)
• Pf: -110 °C
• Densité: 0.74 g/mL at 25 °C (lit.)
• λ: H₂O reference
• Absorption UV: λ: 210 nm A_max: 1.0; λ: 225 nm A_max: 0.50; λ: 250 nm A_max: 0.10; λ: 300-400 nm A_max: 0.005
• Application(s): food and beverages
• Chaîne SMILES: COC(C)(C)C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• Clé InChI: BZLVMXJERCGZMT-UHFFFAOYSA-N

Description

Description générale

tert-Butyl methyl ether is a gasoline additive. Its oxidative degradation by propane-oxidizing bacterial strains has been tested. Kinetics of its heat-assisted persulfate oxidation has been investigated at various pH, temperature, oxidant concentration and ionic strength levels. Its biodegradation followed a pseudo-first-order decay model and its pseudo-first-order rate constants were evaluated. MTBE can be synthesized by acid catalyzed reaction between methanol and isobutene. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by stopped-flow method.

Application

Suitable for HPLC, spectrophotometry, environmental testing

Autres remarques

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

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Informations légales

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

Informations sur la sécurité

• Pictogrammes: GHS02,GHS07
• Mention d'avertissement: Danger
• Mentions de danger: H225,H315
• Conseils de prudence: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• Classification des risques: Flam. Liq. 2 - Skin Irrit. 2
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): -18.4 °F - closed cup
• Point d'éclair (°C): -28 °C - closed cup