Pentane is a low molecular weight hydrocarbon of high volatility and is an exceedingly important solvent and blowing agent across industries. Pentane, an alkane, exists in three structural forms-n-pentane, isopentane, and neopentane. The most commonly used form on the market is n-pentane.
What are the properties of n-pentane (cas 109 66 0)?
| Physical State | Colorless, volatile liquid at room temperature and pressure |
| Odor | Faint, petroleum-like odor |
| Molecular Formula | C5H12 |
| Molecular Weight | 72.15 g/mol |
| Boiling Point | 36.1 °C (97.0 °F) – low boiling point, highly volatile |
| Melting Point | -129.8 °C (-201.6 °F) – remains liquid in most cold environments |
| Density (20 °C) | 0.626 g/cm³ – less dense than water |
| Flash Point | -49 °C (-56 °F) – extremely flammable |
| Autoignition Temperature | 260 °C (500 °F) |
| Solubility | Insoluble in water; miscible with ethanol, ether, chloroform, benzene, and most organic solvents |
| Chemical Stability | Stable under normal temperatures and pressures; does not react with acids, bases, or oxidizing agents under mild conditions |
What is the formula for n-pentane?
CAS 109-66-0 n-Pentane, commonly called pentane, is a straight-chain alkane with the molecular formula C5H12.
N-Pentane Structure:
what is N-Pentane (cas 109 66 0) used for?
Blowing Agent: Core raw material for producing rigid polyurethane (PU) foams, widely used in insulation materials for refrigerators, freezers and building walls.
Solvent: Ideal solvent for organic synthesis, extraction processes, and chromatography analysis.
Fuel: High-octane component for gasoline blending; fuel for laboratory burners and portable stoves.
Chemical Intermediate: Precursor for manufacturing pentene, pentadiene and other petrochemical products.
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