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363359

Sigma-Aldrich

2-Butene, mixture of cis and trans

≥99%

Synonym(s):

β-Butylene, Pseudobutylene

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200 G
$350.78

About This Item

Linear Formula:
CH3CH=CHCH3
CAS Number:
Molecular Weight:
56.11
Beilstein/REAXYS Number:
1718755
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

$350.78

List Price$378.00Save 7%
Web-Only Promotion

Available to ship onApril 22, 2025Details


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vapor pressure

1.9 mmHg ( 0 °C)

Quality Level

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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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.[1] Asymmetric gydrozirconation of cis- and trans-2-butene is reported.[2] 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.[3]

Recommended products

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

hose barb

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Description
Pricing

regulator

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Description
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pictograms

FlameGas cylinder

signalword

Danger

hcodes

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class

2A - Gases

wgk_germany

nwg

flash_point_f

-29.2 °F - closed cup

flash_point_c

-34 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)


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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
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)
Robert R Arnts
Environmental science & technology, 42(20), 7663-7669 (2008-11-06)
The continuous addition of trans-2-butene to air containing ozone-reactive volatile and semivolatile organic compounds prior to sampling on Tenax-TA adsorbent was found to be an effective means of removing ozone and reducing analyte losses of ozone reactive biogenic volatile organic
Ollie M Gonzalez-James et al.
Journal of the American Chemical Society, 134(4), 1914-1917 (2012-01-11)
An unusual intramolecular kinetic isotope effect (KIE) in the reaction of dichloroketene with cis-2-butene does not fit with a simple asynchronous cycloaddition transition state, but it can be predicted from trajectory studies on a bifurcating energy surface. The origin of
Franz Worek et al.
Archives of toxicology, 86(9), 1379-1386 (2012-03-23)
The reactivation of organophosphorus compound (OP)-inhibited acetylcholinesterase (AChE) by oximes is inadequate in case of different OP nerve agents. This fact led to the synthesis of numerous novel oximes by different research groups in order to identify more effective reactivators.

Questions

  1. What regulator size do I need for this? Is CGA170 okay?

    1 answer
    1. Aldrich® mini gas regulator - Z513539-1EA is recommended.

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