480983

Propin

≥97%

• Synonym(e): Allylene, Methylacetylene
• Lineare Formel: CH₃C≡CH
• CAS-Nummer: 74-99-7
• Molekulargewicht: 40.06
• EG-Nummer: 200-828-4
• MDL-Nummer: MFCD00036235
• UNSPSC-Code: 12142100
• PubChem Substanz-ID: 24871730
• NACRES: NA.22

Eigenschaften

• Dampfdruck: 204.6 mmHg ( −49.5 °C)
• Qualitätsniveau: 100
• Assay: ≥97%
• Form: gas
• bp: −23.2 °C (lit.)
• mp (Schmelzpunkt): −102.7 °C (lit.)
• SMILES String: CC#C
• InChI: 1S/C3H4/c1-3-2/h1H,2H3
• InChIKey: MWWATHDPGQKSAR-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Propyne (methylacetylene) is commonly used in gas welding.

Anwendung

Propyne (CH₃C≡CH) can be used:

• As a fuel for stoichiometric low-pressure flat-flames in isomer-specific combustion studies.
• In the synthesis of polycyclic aromatic hydrocarbons under various reaction conditions.
• In the synthesis of phenylacetylenes.
• In the selective synthesis of propene by catalytic hydrogenation using Pt/Al₂O₃ catalyst.

Verpackung

Supplied in a Sure/Pac^™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.

Compatible with the following:

• Aldrich^® Sure/Pac^™ station for liquefied gases Z566446
• PTFE Sealing tape Z104388 or Z221880
• Brass hose adapter Z146811
• Aldrich^® mini gas regulator Z513539

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,GHS07
• Signalwort: Danger
• H-Sätze: H220,H280,H335
• P-Sätze: P210 - P261 - P271 - P304 + P340 + P312 - P403 + P233 - P410 + P403
• Gefahreneinstufungen: Flam. Gas 1A - Press. Gas Compr. Gas - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 2A - Gases
• WGK: nwg
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)