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Merck
CN

295086

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:
624-64-6
Molecular Weight:
56.11
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
24857756
EC Number:
210-855-3
Beilstein/REAXYS Number:
1718756
MDL number:
MFCD00064458

Key Documents

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Product Name

trans-2-Butene, ≥99%

InChI key

IAQRGUVFOMOMEM-ONEGZZNKSA-N

InChI

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

SMILES string

CC=CC

vapor density

2 (vs air)

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.)

Quality Level

100

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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
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

hcodes

H220,H280

pictograms

FlameGas cylinder
GHS02,GHS04

signalword

Danger

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class

2A - Gases

wgk

WGK 3

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT4363
SHBR5115
SHBR3873
SHBN7628
STBJ2480

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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)
Duangkamol Gleeson
Journal of computer-aided molecular design, 22(8), 579-585 (2008-03-18)
In this study the results from a series of calculations are reported that probe the influence of the QM cluster size and the extended framework treatment in ONIOM calculations. This is done by comparing the differences in the structures and
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
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.
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