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Merck

254339

Sigma-Aldrich

2-丁炔

99%

别名:

二甲基乙炔, 巴豆炔

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About This Item

线性分子式:
CH3C≡CCH3
CAS号:
分子量:
54.09
Beilstein:
1361340
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

蒸汽壓力

11.47 psi ( 20 °C)

品質等級

化驗

99%

形狀

liquid

折射率

n20/D 1.393 (lit.)

bp

27 °C (lit.)

mp

−32 °C (lit.)

密度

0.691 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

CC#CC

InChI

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

InChI 密鑰

XNMQEEKYCVKGBD-UHFFFAOYSA-N

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一般說明

目前已有人使用离子阱质谱法研究了芳香族N-甲基-吡啶-4-基自由基阳离子与2-丁炔的离子-分子反应

應用

2-丁炔已用于制备无THF的金属环丁烯复合物

象形圖

FlameExclamation mark

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

-13.0 °F - closed cup

閃點(°C)

-25 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves


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分析证书(COA)

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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)
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
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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