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295086

Sigma-Aldrich

trans-2-Butene

≥99%

Synonym(s):

β-trans-Butylene, (2E)-2-Butene, (E)-2-Butene, 2-trans-Butene, 2-trans-Butylene, E-Butene, trans-1,2-Dimethylethylene, trans-2-Butylene, trans-Butene

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About This Item

Linear Formula:
CH3CH=CHCH3
CAS Number:
Molecular Weight:
56.11
Beilstein:
1718756
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

vapor density

2 (vs air)

Quality Level

vapor pressure

2575 mmHg ( 37.7 °C)

Assay

≥99%

autoignition temp.

615 °F

expl. lim.

9.7 %

bp

1 °C (lit.)

mp

−105 °C (lit.)

SMILES string

CC=CC

InChI

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

InChI key

IAQRGUVFOMOMEM-ONEGZZNKSA-N

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Application

trans-2-Butene can be used as a monomer unit to produce high molecular weight polyolefins with well-defined microstructures by nickle-catalyzed polymerization reaction. It is also used as a reactant in the isomerization reaction to produce the corresponding isomer using acid-activated catalysts.

Packaging

Supplied in a Sure/Pac cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.

Compatible with the following:

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
ISOGRO is a registered trademark of Merck KGaA, Darmstadt, Germany
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

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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

WGK 3

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ni (II)-catalyzed polymerization of trans-2-butene
Leatherman MD and Brookhart M
Macromolecules, 34(9), 2748-2750 (2001)
Isomerization of cis-2-butene and trans-2-butene catalyzed by acid-and ion-exchanged smectite-type clays
Moronta A, et al.
Applied Clay Science, 29(2), 117-123 (2005)
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
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
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

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