Hexane

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Hexane
Skeletal formula o hexane
Skeletal formula o hexane wi aw impleecit carbons shawn, an aw expleecit hydrogens addit
Baw an stick model o hexane
Spacefill model o hexane
Names
IUPAC name
Hexane[2]
Ither names
Sextane[1]
Identifiers
3D model (JSmol)
1730733
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.435
EC Nummer 203-777-6
Gmelin Reference 1985
KEGG
MeSH n-hexane
RTECS nummer MN9275000
UNII
UN nummer 1208
Properties
C6H14
Molar mass 86.18 g·mol−1
Appearance Colourless liquid
Odour Petrolic
Density 0.6548 g mL−1
Meltin pynt −96 tae −94 °C; −141 tae −137 °F; 177 tae 179 K
Bylin pynt 68.5 tae 69.1 °C; 155.2 tae 156.3 °F; 341.6 tae 342.2 K
9.5 mg L−1
log P 3.764
Vapour pressur 17.60 kPa (at 20.0 °C)
kH 7.6 nmol Pa−1 kg−1
λmax 200 nm
Magnetic susceptibility -74.6·10−6 cm3/mol
Refractive index (nD) 1.375
Viscosity 0.3 mPa · s
Thermochemistry
Speceefic heat capacity, C 265.2 J K−1 mol−1
Staundart molar
entropy
So298
296.06 J K−1 mol−1
Std enthalpy o
formation
ΔfHo298
−199.4–−198.0 kJ mol−1
Std enthalpy o
combustion
ΔcHo298
−4180–−4140 kJ mol−1
Hazards
GHS pictograms The flame pictogram in the Globally Harmonized Seestem o Classification an Labelling o Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized Seestem o Classification an Labellin of Chemicals (GHS) The health hazard pictogram in the Globally Harmonized Seestem o Classification an Labellin of Chemicals (GHS) The environment pictogram in the Globally Harmonized Seestem o Classification an Labellin o Chemicals (GHS)
GHS signal wird DANGER
GHS hazard statements H225, H304, H315, H336, H373, H411
GHS precautionary statements P210, P261, P273, P281, P301+310, P331
NFPA 704
Flammability code 3: Liquids an solids that can be ignited unner awmaist ae ambient temperature condeetions. Flash pynt atween 23 an 38 °C (73 an 100 °F). E.g., gasoline)Health code 2: Intense or continued but nae chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
3
2
0
Flash pynt −26.0 °C (−14.8 °F; 247.2 K)
234.0 °C (453.2 °F; 507.1 K)
Explosive leemits 1.2–7.7%
Lethal dose or concentration (LD, LC):
25 g kg−1 (oral, ratton)
28710 mg/kg (ratton, oral)[4]
56137 mg/kg (ratton, oral)[4]
US heal exposur leemits (NIOSH):
PEL (Permissible)
TWA 500 ppm (1800 mg/m3)[3]
REL (Recommendit)
TWA 50 ppm (180 mg/m3)[3]
IDLH (Immediate danger)
1100 ppm[3]
Relatit compoonds
Relatit alkanes
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Hexane is an alkane o sax carbon atoms, wi the chemical formula C6H14.

References[eedit | eedit soorce]

  1. http://rspl.royalsocietypublishing.org/content/15/54.full.pdf+html
  2. "n-hexane – Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 31 December 2011. 
  3. 3.0 3.1 3.2 NIOSH Pocket Guide tae Chemical Hazards 0322
  4. 4.0 4.1 "n-Hexane". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).