295493
Propyne
≥99%
Synonym(s):
Allylene, Methylacetylene
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About This Item
Linear Formula:
CH3C≡CH
CAS Number:
Molecular Weight:
40.06
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
EC Number:
200-828-4
MDL number:
InChI key
MWWATHDPGQKSAR-UHFFFAOYSA-N
InChI
1S/C3H4/c1-3-2/h1H,2H3
SMILES string
CC#C
vapor pressure
204.6 mmHg ( −49.5 °C)
assay
≥99%
bp
−23.2 °C (lit.)
mp
−102.7 °C (lit.)
Quality Level
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Other Notes
The use of brass control valve Z146021 or brass regulator Z513539 is recommended.
signalword
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
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A I Strom et al.
The journal of physical chemistry. A, 124(22), 4471-4483 (2020-05-14)
Parahydrogen (pH2) quantum solids are excellent matrix isolation hosts for studying the rovibrational dynamics and nuclear spin conversion (NSC) kinetics of molecules containing indistinguishable nuclei with nonzero spin. The relatively slow NSC kinetics of propyne (CH3CCH) isolated in solid pH2
Changkun Li et al.
The Journal of organic chemistry, 72(19), 7431-7434 (2007-08-25)
The BF3.OEt2-catalyzed Friedel-Crafts propargylation of aromatic compounds with O-propargyl trichloroacetimidates is highly efficient and affords 1,3-diarylpropyne derivatives in good yields.
Fabien Goulay et al.
Physical chemistry chemical physics : PCCP, 9(31), 4291-4300 (2007-08-10)
The reactions of the ethynyl radical (C(2)H) with propyne and allene are studied at room temperature using an apparatus that combines the tunability of the vacuum ultraviolet radiation of the Advanced Light Source at Lawrence Berkeley National Laboratory with time-resolved
Yongping Zhang et al.
Langmuir : the ACS journal of surfaces and colloids, 29(6), 1868-1874 (2013-01-19)
To achieve silicon functionalization for the development of hybrid devices, multifunctional molecules may be employed to attach to the silicon surfaces. It is important to get a fundamental understanding about the molecule/silicon interface chemistry and the binding configuration. The surface
Meiyan Wang et al.
Journal of computational chemistry, 32(6), 1170-1177 (2011-03-10)
The reaction mechanism of Pd(0)-catalyzed methylacetylene bisselenation reaction is investigated by using the density functional method. The overall reaction mechanism involves the oxidative addition, insertion, and reductive elimination steps. The regioselectivity has been investigated for the methylacetylene insertion into Pd-Se
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