400890

cis-2-Buten

≥99%

• Synonym(e): (2Z)-2-Butene, (Z)-2-Butene, Z-Butene, cis-1,2-Dimethylethylene, cis-2-Butylene
• Lineare Formel: CH₃CH=CHCH₃
• CAS-Nummer: 590-18-1
• Molekulargewicht: 56.11
• Beilstein: 1361341
• EG-Nummer: 209-673-7
• MDL-Nummer: MFCD00009294
• UNSPSC-Code: 12142100
• PubChem Substanz-ID: 24864964
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 2 (vs air)
• Qualitätsniveau: 100
• Dampfdruck: 1414 mmHg ( 21 °C)
• Assay: ≥99%
• Form: gas
• Selbstzündungstemp.: 615 °F
• Expl.-Gr.: 9.7 %
• bp: 3.7 °C (lit.)
• mp (Schmelzpunkt): −139 °C (lit.)
• SMILES String: [H]\C(C)=C(/[H])C
• InChI: 1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-
• InChIKey: IAQRGUVFOMOMEM-ARJAWSKDSA-N

Beschreibung

Anwendung

cis-2-Butene is an unsaturated olefinic hydrocarbon used as a precursor in the polymerization of gasoline. It is also used to synthesize butadiene and other aliphatic C4/C5 organic molecules. It is also employed as a cross-linking agent.

Verpackung

Packaged in Sure/Pac^™ carbon steel cylinders with 1/4" NPTM brass needle valve

Rechtliche Hinweise

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS02,GHS04
• Signalwort: Danger
• H-Sätze: H220,H280
• P-Sätze: P210 - P410 + P403
• Gefahreneinstufungen: Flam. Gas 1 - Press. Gas Liquefied gas
• Lagerklassenschlüssel: 2A - Gases
• WGK: WGK 3
• Flammpunkt (°F): 10.4 °F - closed cup
• Flammpunkt (°C): -12 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)