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

vapor density

2 (vs air)

Quality Level

100

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

Regulator

Product No.
Description
Pricing

also commonly purchased with this product

Product No.
Description
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hose barb

Product No.
Description
Pricing

Z146811

Hose adapter, brass

recommended

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Description
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pictograms

FlameGas cylinder
GHS02,GHS04

signalword

Danger

hcodes

H220,H280

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class

2A - Gases

wgk_germany

WGK 3

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN7628
STBJ2480
SHBL3891
SHBK7850
SHBK2513

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