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536164

Sigma-Aldrich

Ethylene

99.99%

Sinónimos:

Ethene

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About This Item

Fórmula lineal:
CH2=CH2
Número de CAS:
74-85-1
Peso molecular:
28.05
Beilstein/REAXYS Number:
1730731
EC Number:
200-815-3
MDL number:
MFCD00008604
UNSPSC Code:
12142100
PubChem Substance ID:
24878139
NACRES:
NA.22

vapor density

0.97 (vs air)

Quality Level

100

vapor pressure

35.04 atm ( 20 °C)

assay

99.99%

autoignition temp.

842 °F

expl. lim.

36 %

bp

−104 °C (lit.)

mp

−169 °C (lit.)

SMILES string

C=C

InChI

1S/C2H4/c1-2/h1-2H2

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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General description

Ethylene (ET), a simple olefin, is an important synthetic reagent. It is also a plant hormone that regulates various physiological and developmental processes, such as ripening of fruit, abscission, senescence and responses to wounding in plants. Pd(II) and Ni(II)-based catalysts are reported to catalyze the polymerization of ET to afford high molecular weight polymers. Mechanism of Diels-Alder Reaction of 1,3-butadiene with ET has been investigated. Diels-Alder reaction between butadiene and ET, via concerted and the stepwise mechanisms has been investigated by ab initio MO methods. Dehydration of algae-produced ethanol to ET in the presence of nanoscale catalyst HZSM-5 (protonated Zeolite Socony Mobil-5) shows promising results in replacing fossil fuel methods for the industrial production of ET. The utility of microsized spent tea leaf powder (MSTLP) as an ethylene adsorbent has been investigated.

Application

Ethylene was used in the preparation of polyethylene (PE), by polymerization in the presence of titanium complexes having F(s) or CF3(s) containing phenoxy-imine chelate ligands.

Packaging

Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:
  • Aldrich® lecture-bottle station systems
  • Aldrich® lecture-bottle gas regulators

Other Notes

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Control valve

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Descripción
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Hose barb

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Z146838

Hose adapter, stainless steel

Z146811

Hose adapter, brass

Optional

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Purge valve

Referencia del producto
Descripción
Precios

Z151661

"T"-purge valve, CGA Inlet size 180

Regulator

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also commonly purchased with this product

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signalword

Danger

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas - STOT SE 3

target_organs

Respiratory system

Storage Class

2A - Gases

wgk_germany

nwg

flash_point_f

-148.0 °F - closed cup

flash_point_c

-100 °C - closed cup

ppe

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

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Ethylene and the regulation of plant development.
Schaller GE.
BMC Biology, 10(1), 9-9 (2012)
Spent tea leaves: A new non-conventional and low-cost biosorbent for ethylene removal.
Tzeng JH, et al.
International Biodeterioration & Biodegradation, 104, 67-73 (2015)
Hiroaki Wakayama et al.
The journal of physical chemistry. A, 111(51), 13575-13582 (2007-12-07)
The concerted and the stepwise mechanisms of the Diels-Alder reactions of butadiene with silaethylene and disilene were studied by ab initio MO methods. For the reaction of butadiene and silaethylene, an asymmetric concerted process that is almost stepwise and two
Ethylene formation by catalytic dehydration of ethanol with industrial considerations.
Fan D, et al.
Materials, 6(1), 101-115 (2012)
Highly active ethylene polymerization catalysts based on titanium complexes having two phenoxy-imine chelate ligands.
Ishii S-I, et al.
J. Mol. Catal. A: Chem., 179(1), 11-16 (2002)
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Artículos

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.

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