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Hexane or n-hexane is an alkane, containing six carbon atoms, with the chemical formula C6H14.

PropertiesEdit

ChemicalEdit

Hexane will burn in air when ignited:

C6H14 + 19/2 O2 → 6 CO2 + 7 H2O + heat

Hexane will react with bromine under UV light to yield bromohexane.

PhysicalEdit

Hexane is a colorless liquid, with a petrolic odor. It is insoluble in water, but miscible with many other solvents. It has a melting point of −95.3 °C and a boiling point of 68.7 °C. Hexane has considerable vapor pressure at room temperature (121.26 mmHg). It has a density of 0.6548 g/ml. Hexane is flammable, with a flash point of −26.0 °C and an autoignition temperature of 234.0 °C.

AvailabilityEdit

Certain lighter fluids contain n-hexane.

PreparationEdit

Hexane can be extracted by fractual distillation of gasoline, though this process is intense and time-consuming.

ProjectsEdit

  • Extract oils from plants
  • Chemical reaction medium for organometallic reactions
  • N-buthyllithium storage

HandlingEdit

SafetyEdit

Hexane is irritant to the nose and eyes. The acute toxicity of n-hexane is rather low, however it can be metabolized by the organism to hexane-2,5-dione which is toxic. Long term exposure poses a health hazard.

StorageEdit

Hexane must be stored in closed bottles, away from any heat or light source. Due to its high vapor pressure, it's mandatory to keep the bottle open or semi-open after being moved from a cold area to a warmer one, to prevent a dangerous build-up of pressure.

DisposalEdit

Hexane can be safely burned.

ReferencesEdit

Relevant Sciencemadness threadsEdit

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