Ethylene

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Ethylene
Ethylene-CRC-MW-dimensions-2D.png
Ethylene-CRC-MW-3D-balls.png
Ethylene-3D-vdW.png
Names
IUPAC name
Ethene
Identifiers
Jmol-3D images Image
ChEBI CHEBI:18153 YesY
ChEMBL ChEMBL117822 YesY
ChemSpider 6085 N
ECHA InfoCard 100.000.742
KEGG C06547 YesY
UNII 91GW059KN7 YesY
Properties
C
2
H
4
Molar mass 28.05 g/mol
Appearance colorless gas
Density 1.178 kg/m3 at 15 °C, gas[1]
Meltin pynt −169.2 °C (104.0 K, -272.6 °F)
Bylin pynt −103.7 °C (169.5 K, -154.7 °F)
3.5 mg/100 mL (17 °C)[citation needit] ; 2.9 mg/L[2]
Solubility in ethanol 4.22 mg/L[2]
Solubility in diethyl ether good[2]
Acidity (pKa) 44
Structur
Molecular shape D2h
Dipole moment zero
Thermochemistry
Staundart molar
entropy
So298
219.32 J·K−1·mol−1
Std enthalpy o
formation
ΔfHo298
+52.47 kJ/mol
Hazards
EU clessification Extremely flammable (F+)
NFPA 704
Flammability code 4: Will rapidly or completely vaporize at normal atmospheric pressur an temperatur, or is readily dispersed in air an will burn readily. Flash pynt ablo 23 °C (73 °F). E.g., propane Health code 1: Exposur would cause irritation but anly minor residual injury. E.g., turpentine Reactivity code 2: Unnergangs violent chemical chynge at elevatit temperatures an pressurs, reacts violently wi water, or mey form explosive mixturs wi watter. E.g., phosphorus Special hazards (white): no codeNFPA 704 four-colored diamond
Flash pynt −136 °C (−213 °F; 137 K)
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YesYN ?)
Infobox references

Ethylene (IUPAC name: ethene) is a hydrocarbon wi the formula C
2
H
4
or H2C=CH2.

References[eedit | eedit soorce]

  1. Record o Ethylene in the GESTIS Substance Database frae the IFA, accessed on 25 October 2007
  2. 2.0 2.1 2.2 Нейланд О. Я. Органическая химия: Учебник для хим. спец. вузов.— Москва: Высшая школа, 1990.— с. 128