271365

Ethoxyacetylen -Lösung

~40 wt. % in hexanes

• Synonym(e): 1-Ethoxyethyne, Ethoxyethyne, Ethyl ethynyl ether, Ethynyl ethyl ether
• Lineare Formel: C₂H₅OC≡CH
• CAS-Nummer: 927-80-0
• Molekulargewicht: 70.09
• Beilstein: 741882
• MDL-Nummer: MFCD00009247
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24856434
• NACRES: NA.22

Eigenschaften

• Form: liquid
• Qualitätsniveau: 100
• Konzentration: ~40 wt. % in hexanes
• Brechungsindex: n20/D 1.378
• Dichte: 0.732 g/mL at 25 °C
• Lagertemp.: 2-8°C
• SMILES String: CCOC#C
• InChI: 1S/C4H6O/c1-3-5-4-2/h1H,4H2,2H3
• InChIKey: WMYNMYVRWWCRPS-UHFFFAOYSA-N

Beschreibung

Anwendung

Used with N-vinylamides and triflic anhydride in a direct, three-component synthesis of pyridines. Also used to prepare α,β-unsaturated esters from ketones via a Meyer-Schuster rearrangement.

Sicherheitshinweise

• Piktogramme: GHS02,GHS08,GHS07,GHS09
• Signalwort: Danger
• H-Sätze: H225,H304,H315,H336,H361,H373,H411
• P-Sätze: P202 - P210 - P273 - P301 + P310 - P303 + P361 + P353 - P331
• Gefahreneinstufungen: Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
• Zielorgane: Central nervous system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): -14.8 °F
• Flammpunkt (°C): -26 °C