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295086

Sigma-Aldrich

trans-2-Butene

≥99%

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

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.)

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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1 of 4

This Item
400890D39207738646
trans-2-Butene ≥99%

Sigma-Aldrich

295086

trans-2-Butene

cis-2-Butene ≥99%

Sigma-Aldrich

400890

cis-2-Butene

trans-2-Heptene 99%

Sigma-Aldrich

738646

trans-2-Heptene

bp

1 °C (lit.)

bp

3.7 °C (lit.)

bp

205 °C (lit.)

bp

98 °C (lit.)

mp

−105 °C (lit.)

mp

−139 °C (lit.)

mp

48-51 °C (lit.)

mp

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

vapor density

2 (vs air)

vapor density

2 (vs air)

vapor density

-

vapor density

-

vapor pressure

2575 mmHg ( 37.7 °C)

vapor pressure

1414 mmHg ( 21 °C)

vapor pressure

-

vapor pressure

88 mmHg ( 37.7 °C)

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)

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T1503
Product Number
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25G
Pack Size/Quantity

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705578-5MG-PW

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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)
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
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
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

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