Heptane
Heptane
Heptane (/ˈhɛptæn/; from Greek: ἑπτά, hepta, "seven") is a straight-chain alkane with the chemical formula C7H16. It is a colorless liquid that is less dense than water and has a characteristic odor.
Etymology
The term "heptane" originates from the Greek word "hepta" which means seven. This is in reference to the seven carbon atoms that make up the structure of heptane.
Properties
Heptane is a hydrocarbon of the alkane series. It is composed of seven carbon atoms linked together in a straight chain, with hydrogen atoms filling the remaining bonding sites on the carbon atoms. This gives heptane a molecular formula of C7H16.
Uses
Heptane is used in a variety of applications. It is often used as a solvent, a component of gasoline, and as a standard to define the zero point in the octane rating scale.
Health Effects
Exposure to heptane can cause dizziness, nausea, and, in severe cases, unconsciousness. Long-term exposure can lead to nervous system damage.
Related Terms
- Alkane: A type of hydrocarbon in which there are only single bonds between the carbon atoms.
- Hydrocarbon: Compounds consisting entirely of hydrogen and carbon.
- Solvent: A substance that dissolves a solute, resulting in a solution.
- Gasoline: A transparent, petroleum-derived flammable liquid that is used primarily as a fuel in internal combustion engines.
- Octane rating: A standard measure of the performance of an engine or aviation gasoline.
External links
- Medical encyclopedia article on Heptane
- Wikipedia's article - Heptane
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