480983
Propyne
≥97%
Synonym(s):
Allylene, Methylacetylene
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About This Item
Linear Formula:
CH3C≡CH
CAS Number:
Molecular Weight:
40.06
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12142100
EC Number:
200-828-4
MDL number:
Assay:
≥97%
Form:
gas
vapor pressure
204.6 mmHg ( −49.5 °C)
Quality Level
assay
≥97%
form
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
General description
Propyne (methylacetylene) is commonly used in gas welding.
Application
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.
Packaging
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:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
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Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Compr. Gas - STOT SE 3
target_organs
Respiratory system
Storage Class
2A - Gases
wgk
nwg
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
监管及禁止进口产品
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Propyne hydrogenation over alumina-supported palladium and platinum catalysts
Kennedy DR, et al.
Applied Catalysis A: General, 259(1), 109-120 (2004)
Lourdes Gracia et al.
The journal of physical chemistry. A, 112(8), 1808-1816 (2008-02-07)
Possible molecular mechanisms of the gas-phase ion/molecule reaction of VO2+ in its lowest singlet and triplet states (1A1/3A' ') with propyne have been investigated theoretically by density functional theory (DFT) methods. The geometries, energetic values, and bonding features of all
Ying Guo et al.
Physical chemistry chemical physics : PCCP, 9(16), 1972-1979 (2007-04-14)
Crossed molecular beams experiments have been utilized to investigate the reaction dynamics between two closed shell species, i.e. the reactions of tricarbon molecules, C(3)(X(1)Sigma(g)(+)), with allene (H(2)CCCH(2); X(1)A(1)), and with methylacetylene (CH(3)CCH; X(1)A(1)). Our investigations indicated that both these reactions
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 480983-100G | 04061833023693 |
| 480983-100G-EU | 04061833468180 |
| 480983-25G | 04061832388458 |
| 480983-PZ | 04061822588301 |