Synonyms
Heptane; n-HEPTANE
Description
n-Heptane is a colorless, transparent and volatile liquid with a slight gasoline odor. It is a saturated alkane, non-polar and chemically stable. It is characterized by low boiling point, high volatility and extreme flammability. Its vapor is heavier than air, can spread at low levels and flash back when exposed to ignition sources.
Physical&Chemical Properties
- Molecular Formula:C7H16
- Density:0.68g/cm³
- Boiling Point:98.4℃
- Solubility:Insoluble in water; miscible with most organic solvents such as ethanol, diethyl ether, chloroform, acetone, etc.
- Molecular Weight:100.2g/mol
- Flash Point:-7℃
- Melting Point:-90.7℃
Uses
1. Reference Material: Used as a standard substance for octane number determination (octane number of n-heptane = 0) in the antiknock performance testing of gasoline.
2. Solvent: Used as a mobile phase for chromatographic analysis, extraction solvent, industrial cleaning agent, paint thinner, and solvent for rubber and printing industries.
3. Organic Synthesis: Used as raw material for organic synthesis, anesthetic agent, and laboratory analytical reagent.
4. Industrial Cleaning: Used for degreasing and cleaning of electronic and precision instruments.
Safety,Security&Risk
Physical Hazards
Vapors are heavier than air and may spread along the ground, causing ignition at a distance.Static electricity may be generated due to flow, agitation, etc.
Chemical Hazards
Reacts violently with strong oxidizing agents.Risk of fire and explosion.Attacks many plastics.
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