CAS 109-66-0 Pentane - Formula
Molecular Formula: C5H12
Molecular Weight: 72.15 g/mol
Structural Formula: CH3−CH2−CH2−CH2−CH3
Key Structural Feature: As a normal alkane, n-pentane has an unbranched, linear carbon chain. This differentiates it from its branched isomers (isopentane, neopentane) that fall under the broader "pentane" category.
CAS Number: 109-66-0
CAS 109-66-0 Pentane - Properties
Physical properties of Pentane
Pentane is a colorless liquid with and gasoline-like odor.
The density of Pentane is 0.626 g/ml at 20°C.
The Melting point of Pentane is -130.5°C to -129.1°C (or) -202.8°F to -200.3°F.
The solubility of Pentane in water is 40 mg/L at 20°C.
The Molar mass of Pentane is 72.151 g/mol.
Chemical properties of Pentane
1. Pentane undergoes oxidation and forms carbon dioxide and water.
C5H12 + 8 O2 -----------> 5 CO2 + 6 H2O
2. Pentane undergoes free radical chlorination and forms Pentachloride and Hydrochloric acid.
C5H12 + Cl2 ------------> C5H11Cl + HCl
CAS 109-66-0 Pentane - Uses
Synthetic rubber production: N-Pentane C5H12 is a key monomer for manufacturing styrene-isoprene-styrene (SIS) and styrene-butadiene-styrene (SBS) block copolymers, used in tires, adhesives, and sealants.
Chemical intermediate: Converted into pentanols, pentanones, and other oxygenated organic compounds, which are used as solvents, plasticizers, and raw materials for pharmaceuticals.
Polymerization: Pentane CAS 109-66-0 is used in the production of low-molecular-weight polyolefins, which serve as lubricant additives and viscosity modifiers.
Fuel additive: Improves gasoline's octane rating and combustion efficiency; also used as a blending component for jet fuel.
Laboratory reagent: Utilized in organic synthesis to introduce pentyl groups into target molecules.
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