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Piperylene: Difference between revisions

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{{Short description|1=Hydrocarbon compound (CH3−CH=CH−CH=CH2)}}
{{chembox {{chembox
| Verifiedfields = changed
| verifiedrevid = 393230146
| Watchedfields = changed
| verifiedrevid = 430877984
| Reference = <ref>. Retrieved 2007-11-14.</ref> | Reference = <ref>. Retrieved 2007-11-14.</ref>
| ImageFile = Piperylene.svg | ImageFile = Piperylene.svg
| ImageSize = 200px | ImageSize =
| ImageFile1 = Piperylene3D.png | ImageFile1 = Piperylene3D.png
| ImageSize1 = 200px | ImageSize1 =
| IUPACName = 1,3-Pentadiene | PIN = (3''E'')-Penta-1,3-diene
| OtherNames = Penta-1,3-diene | OtherNames =
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| Abbreviations = | Abbreviations =
| CASNo_Ref = {{cascite|correct|CAS}} | CASNo_Ref = {{cascite|correct|CAS}}
| index1_label = ''trans''
| CASNo = 504-60-9 | CASNo = 504-60-9
| CASNo1 = 2004-70-8
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = FW963NF88B
| EINECS = 207-995-2 | EINECS = 207-995-2
| PubChem = 62204 | PubChem = 62204
| SMILES = CC=CC=C | RTECS = RZ2464000
| UNNumber = 1993 3295 1010
| InChI =
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| RTECS =
| ChemSpiderID = 56020
| SMILES = C/C=C/C=C
| InChI = 1/C5H8/c1-3-5-4-2/h3-5H,1H2,2H3/b5-4+
| InChIKey = PMJHHCWVYXUKFD-SNAWJCMRBX
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C5H8/c1-3-5-4-2/h3-5H,1H2,2H3/b5-4+
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = PMJHHCWVYXUKFD-SNAWJCMRSA-N
| MeSHName = | MeSHName =
| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = | ChEBI = 74165
| KEGG_Ref = {{keggcite|correct|kegg}} | KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = | KEGG =
}}
| ATCCode_prefix =
|Section2={{Chembox Properties
| ATCCode_suffix =
| C=5 | H=8
| ATC_Supplemental =}}
| Section2 = {{Chembox Properties
| C=5|H=8
| MolarMass = 68.117 g/mol | MolarMass = 68.117 g/mol
| Appearance = Colorless liquid | Appearance = Colorless liquid
| Density = 0.683 g/cm<sup>3</sup> | Density = 0.683 g/cm<sup>3</sup>
| MeltingPt = | MeltingPtC = -87
| MeltingPt_notes = E-isomer
| Melting_notes =
| BoilingPtC = 42 | BoilingPtC = 42
| BoilingPt_notes = E-isomer
| Boiling_notes =
| Solubility = | Solubility =
| SolubleOther = | SolubleOther =
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| pKa = | pKa =
| pKb = }} | pKb = }}
| Section7 = {{Chembox Hazards |Section7={{Chembox Hazards
| EUClass =
| EUIndex =
| MainHazards = | MainHazards =
| NFPA-H = | NFPA-H =
| NFPA-F = | NFPA-F =
| NFPA-R = | NFPA-R =
| NFPA-O = | NFPA-S =
| RPhrases = {{R11}} {{R36}} {{R37}} {{R38}} | GHSPictograms = {{GHS02}}{{GHS07}}{{GHS08}}
| GHSSignalWord = Danger
| SPhrases = {{S16}} {{S26}} {{S36}} {{S37}} {{S39}}
| HPhrases = {{H-phrases|225|304|315|319|335}}
| RSPhrases =
| PPhrases = {{P-phrases|210|233|240|241|242|243|261|264|271|280|301+310|302+352|303+361+353|304+340|305+351+338|312|321|331|332+313|337+313|362|370+378|403+233|403+235|405|501}}
| FlashPt = < −30 °C
| Autoignition = | FlashPt = <
| FlashPtC = −30
| AutoignitionPt =
| ExploLimits = | ExploLimits =
| PEL = }} | PEL =
}}
}} }}


'''Piperylene''' or '''1,3-pentadiene''' is an ] with the formula {{chem2|CH3\sCH\dCH\sCH\dCH2}}. It is a ], flammable ]. It is one of the five ]s of ].
'''Piperylene''' is a volatile, flammable ] consisting of a five carbon chain with two ]s. It is obtained as a byproduct of ] production from crude oil.


==Reactions and occurrence==
Piperylene is used as a ] in the manufacture of plastics, adhesives and resins.<ref> at Shell Chemicals. Retrieved 2009-05-19.</ref>
Piperylene is a typical diene. It forms a ] upon treatment with ].<ref>{{cite journal |doi=10.15227/orgsyn.029.0059|title=Isoprene Cyclic Sulfone |journal=Organic Syntheses |year=1949 |volume=29 |page=59|author=Robert L. Frank, Raymond P. Seven }}</ref>
Piperylene is colorless.<ref>http://msds.chem.ox.ac.uk/PI/piperylene.html</ref>

Piperylene is the product of the decarboxylation of ], a common anti-mold agent.<ref name=Ullmann>{{cite encyclopedia|author=Erich Lück, Martin Jager, Nico Raczek|title=Sorbic Acid|encyclopedia=Ullmann's Encyclopedia of Industrial Chemistry|publisher=Wiley-VCH|location=Weinheim|year=2000|doi=10.1002/14356007.a24_507|isbn=3527306730 }}</ref>

Piperylene is obtained as a byproduct of ] production from crude oil, combustion of biomass, waste incineration and exhaust gases. It is used as a ] in the manufacturing of plastics, adhesives and resins.<ref> {{webarchive|url=https://web.archive.org/web/20090513042134/http://www.shell.com/home/content/chemicals/products_services/our_products/lower_olefins/piperylene/product_overview/piperylene_overview.html |date=2009-05-13 }} at Shell Chemicals. Retrieved 2009-05-19.</ref>


==See also== ==See also==
* ] * ]
* ]
* ] * ]


==References== ==References==
{{Reflist}}
<references/>

]
]


]
]


{{hydrocarbon-stub}} {{hydrocarbon-stub}}
{{Hydrocarbons}}

]
]
]
]
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]
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