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363359

Sigma-Aldrich

2-Butene, mixture of cis and trans

≥99%

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Linear Formula:
CH3CH=CHCH3
CAS Number:
Molecular Weight:
56.11
Beilstein:
1718755
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

1.9 mmHg ( 0 °C)

Assay

≥99%

expl. lim.

9.3 %

bp

1 °C (lit.)

mp

−140 °C (lit.)

SMILES string

C\C=C\C

InChI

1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+

InChI key

IAQRGUVFOMOMEM-ONEGZZNKSA-N

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This Item
195707143774468037
bp

1 °C (lit.)

bp

152 °C/758 mmHg (lit.)

bp

37 °C (lit.)

bp

120-121 °C/18 mmHg (lit.)

mp

−140 °C (lit.)

mp

−48 °C (lit.)

mp

-

mp

-

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

vapor pressure

1.9 mmHg ( 0 °C)

vapor pressure

-

vapor pressure

8.06 psi ( 20 °C)

vapor pressure

-

expl. lim.

9.3 %

expl. lim.

-

expl. lim.

-

expl. lim.

-

General description

2-Butene is an alkene. All-silica zeolite RUB-41, containing 8- and 10-membered rings, is reported to be capable of separating trans-2-butene and cis-2-butene from 1-butene. Asymmetric gydrozirconation of cis- and trans-2-butene is reported. Stereospecific addition of methylene to trans-2-butene is reported to afford trans-1,2dimethylcyclopropane while similar addition to cis-2-butene affords cis-1,2dimethylcyclopropane.

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Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended.

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regulator

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Pictograms

FlameGas cylinder

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

-29.2 °F - closed cup

Flash Point(C)

-34 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Methylene, CH2. Stereospecific Reaction with cis-and trans-2-Butene.
Woodworth RC and Skell PS.
Journal of the American Chemical Society, 81(13), 3383-3386 (1959)
Yonghui Zhang et al.
Journal of the American Chemical Society, 125(29), 8746-8747 (2003-07-17)
Hydrozirconation of cis-2-butene with Cp*ZrHCl[N(t-Bu)C(Me)N(Et)], generated in situ through hydrogenolysis of Cp*ZrCl(SiMe2Ph)[N(t-Bu)C(Me)N(Et)] (5), proceeds in high yield to produce a 1:2 mixture of the kinetically stable, diastereomeric sec-butyl complexes, 3a and 3b. Hydrozirconation of trans-2-butene under identical conditions provides a
Philip T M Carlsson et al.
Physical chemistry chemical physics : PCCP, 14(45), 15637-15640 (2012-10-24)
Recent studies have suggested that the reaction of stabilised Criegee Intermediates (CIs) with sulfur dioxide (SO(2)), leading to the formation of a carbonyl compound and sulfur trioxide, is a relevant atmospheric source of sulfuric acid. Here, the significance of this
Hao Ren et al.
The Journal of chemical physics, 133(6), 064702-064702 (2010-08-17)
Scanning tunneling microscopy (STM) topographical images and inelastic electron tunneling spectra (IETS) of a cis-2-butene molecule adsorbed on a Pd(110) surface have been simulated by first-principles calculations. Calculations have eliminated the ambiguity between the STM image and the adsorption orientation
Nadiya Bakhiya et al.
Archives of toxicology, 84(7), 563-578 (2010-03-20)
Furan is formed during commercial or domestic thermal treatment of food. The initial surveys of furan concentrations in heat-treated foods, published by European and US authorities, revealed the presence of relatively high furan levels in coffee, sauces, and soups. Importantly

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