480983

Propyne

≥97%

• Linear Formula: CH₃C≡CH
• CAS Number: 74-99-7
• Molecular Weight: 40.06
• Número de EC: 200-828-4
• Número MDL: MFCD00036235
• ID de la sustancia en PubChem: 24871730
• NACRES: NA.22

Properties

• presión de vapor: 204.6 mmHg ( −49.5 °C)
• Nivel de calidad: 100
• ensayo: ≥97%
• formulario: gas
• bp: −23.2 °C (lit.)
• mp: −102.7 °C (lit.)
• SMILES string: CC#C
• InChI: 1S/C3H4/c1-3-2/h1H,2H3
• InChI key: MWWATHDPGQKSAR-UHFFFAOYSA-N

Description

Descripción general

Propyne (methylacetylene) is commonly used in gas welding.

Aplicación

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.

Envase

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

Información legal

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

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

Safety Information

• pictogramas: GHS02,GHS04,GHS07
• Palabra de señalización: Danger
• Frases de peligro: H220 - H280 - H335
• Consejos de prudencia: P210 - P410 + P403
• Clasificaciones de peligro: Flam. Gas 1 - Press. Gas Compr. Gas - STOT SE 3
• Órganos de actuación: Respiratory system
• Código de clase de almacenamiento: 2A - Gases
• WGK: nwg
• Equipo de protección personal: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)