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1-butene

1-Butene
1-butene.svg
But-1-ene-2D-skeletal.png
But-1-ene-3D-balls.png
Names
Preferred IUPAC name
But-1-ene
Other names
Ethylethylene
1-Butylene
α-Butylene
Identifiers
106-98-9 YesY
3D model (Jmol) Interactive image
Interactive image
ChEBI CHEBI:48362 YesY
ChEMBL ChEMBL117210 YesY
ChemSpider 7556 YesY
ECHA InfoCard 100.003.137
PubChem 7844
UNII LY001N554L YesY
Properties
C4H8
Molar mass 56.11 g·mol−1
Appearance Colorless Gas
Odor slightly aromatic
Density 0.62 g/cm3
Melting point −185.3 °C (−301.5 °F; 87.8 K)
Boiling point −6.47 °C (20.35 °F; 266.68 K)
0.221 g/100 mL
Solubility soluble in alcohol, ether, benzene
1.3962
Viscosity 7.76 Pa
Hazards
NFPA 704
Flammability code 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g., propane Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
385 °C (725 °F; 658 K)
Explosive limits 1.6-10%
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YesYN ?)
Infobox references

1-Butene is an organic chemical compound, linear alpha-olefin (alkene), and one of the isomers of butene. The formula is CH3CH2CH=CH2. It is a highly flammable, easily condensed gas.

1-Butene is stable in itself but polymerizes readily to polybutene. Its main application is as a comonomer in the production of certain kinds of polyethylene, such as linear low-density polyethylene (LLDPE). It has also been used as a precursor to polypropylene resins, butylene oxide, and butanone.

1-Butene is produced either by separation from crude C4 refinery streams or from the dimerization of ethylene. It is distilled to give a very high-purity product. An estimated 12 billion kilograms were produced in 2011, usually as a mixture with isomeric butenes.


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Wikipedia

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