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295493

Sigma-Aldrich

Propyne

≥99%

Synonym(s):

Allylene, Methylacetylene

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About This Item

Linear Formula:
CH3C≡CH
CAS Number:
74-99-7
Molecular Weight:
40.06
EC Number:
200-828-4
MDL number:
MFCD00036235
UNSPSC Code:
12162002
PubChem Substance ID:
24857789
NACRES:
NA.23

vapor pressure

204.6 mmHg ( −49.5 °C)

Quality Level

100

assay

≥99%

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

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Hazard Classifications

Flam. Gas 1A - Press. Gas Compr. Gas - STOT SE 3

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Respiratory system

Storage Class

2A - Gases

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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
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.
Kirill A Chernyshev et al.
Magnetic resonance in chemistry : MRC, 45(8), 661-666 (2007-06-15)
Configurational assignment of five carbon, silicon and germanium containing propynal oximes has been carried out by means of experimental measurements and high-level ab initio calculations of their 13C-1H, 13C-13C and 15N-1H spin-spin coupling constants. The title compounds were shown to
Michael J Ardolino et al.
Journal of the American Chemical Society, 134(21), 8770-8773 (2012-05-19)
The palladium-catalyzed cross-coupling of chiral propargyl acetates and allyl boronates delivers chiral 1,5-enynes with excellent levels of chirality transfer and can be applied across a broad range of substrates.
S Tajammul Hussain et al.
Environmental technology, 30(6), 543-559 (2009-07-17)
A supported catalyst and a catalytic process have been developed for the conversion of carbgas (CO2 + (100 ppm) H2O + 1% H2) as a renewable source of energy and as a measure for the control of carbon dioxide --
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