254339
2-Butyne
99%
Synonym(s):
Crotonylene, Dimethylacetylene
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About This Item
Linear Formula:
CH3C≡CCH3
CAS Number:
Molecular Weight:
54.09
Beilstein:
1361340
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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vapor pressure
11.47 psi ( 20 °C)
Quality Level
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.
accessory
Product No.
Description
Pricing
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
-13.0 °F - closed cup
Flash Point(C)
-25 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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C J Kees-Jan Weststrate et al.
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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)
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))
Hongzhen Wang et al.
The journal of physical chemistry. A, 119(46), 11313-11319 (2015-10-23)
The state-selective photodissociation of diacetylene (C4H2) was studied in the wavelength range of 127.5-164.4 nm by high-resolution Rydberg H atom time-of-flight spectroscopy measurements. In the wavelength region, two Rydberg series nR and nR' were state-selectively excited using tunable vacuum-ultraviolet laser
Oleg G Salnikov et al.
Chemical science, 8(3), 2426-2430 (2017-04-30)
Mechanistic insight into the semihydrogenation of 1-butyne and 2-butyne on Cu nanoparticles supported on partially dehydroxylated silica (Cu/SiO
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