Oktan

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Oktan
Skeletal formula of octane
Skeletal formula of octane with all implicit carbons shown, and all explicit hydrogens added
Ball and stick model of octane
Spacefill model of octane
Nazivi
IUPAC naziv
Octan[1]
Identifikacija
3D model (Jmol)
3DMet B00281
Bajlštajn 1696875
ChEBI
ChemSpider
DrugBank
ECHA InfoCard 100.003.539
EC broj 203-892-1
Gmelin Referenca 82412
KEGG[2]
MeSH octane
RTECS RG8400000
UN broj 1262
  • InChI=1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3 DaY
    Ključ: TVMXDCGIABBOFY-UHFFFAOYSA-N DaY
  • CCCCCCCC
Svojstva
C8H18
Molarna masa 114,23 g·mol−1
Agregatno stanje Bezbojna tečnost
Miris Gasolinu sličan
Gustina 0,703 g cm−3
0,007 mg dm−3 (na 20 °C)
log P 4,783
Napon pare 1,47 kPa (na 20.0 °C)
kH 29 nmol Pa−1 kg−1
Indeks refrakcije (nD) 1,398
Viskoznost 542 μPa s (na 20 °C)
Termohemija
Specifični toplotni kapacitet, C 255,68 J K−1 mol−1
361,20 J K−1 mol−1
−252,1–−248,5 kJ mol−1
−5,53–−5,33 MJ mol−1
Opasnosti
GHS piktogrami The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The health hazard pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The environment pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signalne reči Opasnost
H225, H304, H315, H336, H410
P210, P261, P273, P301+310, P331
NFPA 704
NFPA 704 four-colored diamondFlammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasolineHealth code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentineKod reaktivnosti 0: Normalno stabilan, čak i pod stanjem izloženosti vatri; nije reaktivan s vodom (npr. tečni azot)Special hazards (white): no code
3
1
0
Tačka paljenja 13,0 °C
Eksplozivni limiti 0,96–6,5%
Srodna jedinjenja
Ukoliko nije drugačije napomenuto, podaci se odnose na standardno stanje materijala (na 25°C [77°F], 100 kPa).
DaY verifikuj (šta je DaYNeN ?)
Reference infokutije

Oktan je ugljovodonik iz grupe alkana sa molekulskom formulom CH3(CH2)6CH3. Postoje brojni izomeri oktana.

Oktan je veoma zapaljiva tečnost. Male količine oktana se mogu javiti u nafti.

Molarna masa oktana je 114,22 g/mol.

Postoji 18 izomera oktana i to su :

  • n-oktan
  • 2-Metil heptan
  • 3-Metil heptan
  • 4-Metil heptan
  • 3-Etil heksan
  • 2,2-Dimetil heksan
  • 2,3-Dimetil heksan
  • 2,4-Dimetil heksan
  • 2,5-Dimetil heksan
  • 3,3-Dimetil heksan
  • 3,4-Dimetil heksan
  • 2-Metil, 3-etil pentan
  • 3-Metil, 3-etil pentan
  • 2,2,3-Trimetil pentan
  • 2,2,4-Trimetil pentan
  • 2,3,3-Trimetil pentan
  • 2,3,4-Trimetil pentan
  • 2,2,3,3-Tetrametil butan

Reference[uredi | uredi izvor]

  1. ^ „octane - Compound Summary”. PubChem Compound. USA: National Center for Biotechnology Information. 16. 9. 2004. Identification and Related Records. Pristupljeno 6. 1. 2012. 
  2. ^ Joanne Wixon; Douglas Kell (2000). „Website Review: The Kyoto Encyclopedia of Genes and Genomes — KEGG”. Yeast. 17 (1): 48—55. doi:10.1002/(SICI)1097-0061(200004)17:1<48::AID-YEA2>3.0.CO;2-H. 
  3. ^ Li Q, Cheng T, Wang Y, Bryant SH (2010). „PubChem as a public resource for drug discovery.”. Drug Discov Today. 15 (23-24): 1052—7. PMID 20970519. doi:10.1016/j.drudis.2010.10.003.  uredi
  4. ^ Evan E. Bolton; Yanli Wang; Paul A. Thiessen; Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry. 4: 217—241. doi:10.1016/S1574-1400(08)00012-1. 

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