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254339

Sigma-Aldrich

2-Butyne

99%

Sinónimos:

Crotonylene, Dimethylacetylene

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About This Item

Fórmula lineal:
CH3C≡CCH3
Número de CAS:
503-17-3
Peso molecular:
54.09
Beilstein/REAXYS Number:
1361340
EC Number:
207-962-2
MDL number:
MFCD00009275
UNSPSC Code:
12352100
PubChem Substance ID:
24855377
NACRES:
NA.22

vapor pressure

11.47 psi ( 20 °C)

assay

99%

form

liquid

refractive index

n20/D 1.393 (lit.)

bp

27 °C (lit.)

mp

−32 °C (lit.)

density

0.691 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC#CC

InChI

1S/C4H6/c1-3-4-2/h1-2H3

InChI key

XNMQEEKYCVKGBD-UHFFFAOYSA-N

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General description

The ion-molecule reaction of the aromatic distonic N-methyl-pyridinium-4-yl radical cation with 2-butyne has been investigated using ion trap mass spectrometry.

Application

2-Butyne has been used in preparation of THF-free metallacyclobutene complexes.

For use with

Referencia del producto
Descripción
Precios

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-13.0 °F - closed cup

flash_point_c

-25 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
MKCQ7448
MKBZ0165V
MKBX3219V
MKBT7508V
MKBS1055V

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Aaron M Thomas et al.
The journal of physical chemistry letters, 9(12), 3340-3347 (2018-05-31)
The bimolecular gas phase reaction of ground-state silicon (Si; 3P) with dimethylacetylene (C4H6; X1A1g) was investigated under single collision conditions in a crossed molecular beams machine. Merged with electronic structure calculations, the data propose nonadiabatic reaction dynamics leading to the
C J Kees-Jan Weststrate et al.
Nature communications, 11(1), 750-750 (2020-02-08)
Facile C-C bond formation is essential to the formation of long hydrocarbon chains in Fischer-Tropsch synthesis. Various chain growth mechanisms have been proposed previously, but spectroscopic identification of surface intermediates involved in C-C bond formation is scarce. We here show
Living polymerization of 2-butyne using a well-characterized tantalum catalyst.
Wallace KC, et al.
Organometallics, 8(3), 644-654 (1989)
Andrea Cernuto et al.
The Journal of chemical physics, 147(15), 154302-154302 (2017-10-23)
The methyl carbocation is ubiquitous in gaseous environments, such as planetary ionospheres, cometary comae, and the interstellar medium, as well as combustion systems and plasma setups for technological applications. Here we report on a joint experimental and theoretical study on
A K Y Lam et al.
Physical chemistry chemical physics : PCCP, 14(7), 2417-2426 (2012-01-18)
Aromatic radicals form in a variety of reacting gas-phase systems, where their molecular weight growth reactions with unsaturated hydrocarbons are of considerable importance. We have investigated the ion-molecule reaction of the aromatic distonic N-methyl-pyridinium-4-yl (NMP) radical cation with 2-butyne (CH(3)C≡CCH(3))
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