Ethylene
Appearance
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Names | |||
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IUPAC name
Ethene
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Identifiers | |||
3D model (JSmol)
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ChEBI | |||
ChEMBL | |||
ChemSpider | |||
EC Nummer | 200-815-3 | ||
KEGG | |||
PubChemCID
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UNII | |||
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Properties | |||
C 2H 4 | |||
Molar mass | 28.05 g/mol | ||
Appearance | colourless gas | ||
Density | 1.178 kg/m3at 15 °C, gas[1] | ||
Meltin pynt | −169.2 °C (−272.6 °F; 104.0 K) | ||
Bylin pynt | −103.7 °C (−154.7 °F; 169.5 K) | ||
3.5 mg/100 mL (17 °C);[citation needit]2.9 mg/L[2] | |||
Solubilityinethanol | 4.22 mg/L[2] | ||
Solubilityindiethyl ether | guid[2] | ||
Acidity(pKa) | 44 | ||
Magnetic susceptibility | -15.30·10−6cm3/mol | ||
Structur | |||
Molecular shape | D2h | ||
zero | |||
Thermochemistry | |||
Staundart molar entropyS |
219.32 J·K−1·mol−1 | ||
Std enthalpy o formationΔfH |
+52.47 kJ/mol | ||
Hazards | |||
Safety data sheet | ICSC 0475 | ||
EU clessification | ![]() | ||
R-phrases | R12R67 | ||
S-phrases | (S2)S9S16S33S46 | ||
NFPA 704 | |||
Flash pynt | −136 °C (−213 °F; 137 K) | ||
542.8 °C (1,009.0 °F; 815.9 K) | |||
Relatit compoonds | |||
Relatit compoonds
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Ethane Acetylene Propene | ||
Except whaur itherwise notit, data are gien for materials in thairstaundart state(at 25 °C [77 °F], 100 kPa). | |||
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Infobox references | |||
Ethylene(IUPACname:ethene) is ahydrocaurbonthat haes the formulaC
2H
4or H2C=CH2.It is a colourless flammable gas wi a faint "sweet anmusky"odour whan pure.[4]It is the semplestalkene(a hydrocaurbon wicaurbon-caurbondooble bonds).
Ethylene is widely uised in the chemical industrie, an its warldwide production (ower 150 milliontonnesin 2016[5]) exceeds that o ony otherorganic compoond.[6][7]Muckle o this production gaes taewartpolyethylene,a widely uisedplasticconteeninpolymercheens o ethylene units in various cheen lenths. Ethylene is an aw an important naituralplant hormonean is uised in agricultur tae force the ripenin o fruits.[8]Ethylene'shydrateisethanol.
References
[eedit|eedit soorce]- ↑Record oEthylenein the GESTIS Substance Database frae theIFA,accessed on 25 October 2007
- ↑abcNeiland, O. Ya. (1990)Органическая химия: Учебник для хим. спец. вузов.Moscow. Vysshaya Shkola. p. 128.
- ↑ETHYLENE | CAMEO Chemicals | NOAA.Cameochemicals.noaa.gov. Retrieved on 2016-04-24.
- ↑Zimmermann, Heinz; Walz, Roland (2008). "Ethylene".Ullmann's Encyclopedia of Industrial Chemistry.Weinheim: Wiley-VCH.doi:10.1002/14356007.a10_045.pub3.ISBN978-3527306732.
- ↑Research and Markets."The Ethylene Technology Report 2016 - Research and Markets".www.researchandmarkets.com.Retrieved19 Juin2016.
- ↑"Production: Growth is the Norm".Chemical and Engineering News.84(28): 59–236. 10 Julie 2006.doi:10.1021/cen-v084n034.p059.
- ↑"Propylene Production from Methanol".Intratec. 31 Mey 2012.ISBN978-0-615-64811-8.
- ↑Wang K, Li H, Ecker J; Li; Ecker (2002)."Ethylene Biosynthesis and Signaling Networks".Plant Cell.14(Suppl): S131–51.doi:10.1105/tpc.001768.PMC151252.PMID12045274.CS1 maint: multiple names: authors leet (link)