Pentane

Pentane is an alkane hydrocarbon with the molecular formula C5H12 and CAS number 109-66-0. It is a straight-chain saturated hydrocarbon consisting of five carbon atoms linked by single bonds. With a molecular weight of 72.15 g/mol, pentane belongs to the family of light hydrocarbons and serves as an important industrial solvent and chemical intermediate in various applications.

Pentane is a colorless, volatile liquid at room temperature with a characteristic gasoline-like odor. It has a low boiling point of approximately 36°C and is highly flammable. Pentane is practically insoluble in water but miscible with most organic solvents including alcohols, ethers, and other hydrocarbons. Its low density (around 0.626 g/cm³) makes it lighter than water.

Pentane is primarily used as a solvent in industrial processes and as a blowing agent in the production of polystyrene foam. It serves as a component in gasoline blends, a laboratory solvent for extractions and chromatography, and as a raw material in petrochemical synthesis. Additionally, pentane is used in the production of synthetic rubber and as a refrigerant in specialized cooling applications.

Pentane requires careful handling due to its high flammability and potential health hazards. Always wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and work in well-ventilated areas. Eliminate all ignition sources as pentane vapors can form explosive mixtures with air. Avoid skin contact and inhalation, as it can cause central nervous system depression and aspiration hazards.

Pentane must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use only approved containers and ensure proper grounding to prevent static electricity buildup. Store separately from oxidizing agents and strong acids. Maintain storage temperature below 25°C and ensure adequate fire suppression systems are in place due to its Class II flammable liquid classification.

In case of skin contact, immediately remove contaminated clothing and wash the affected area with soap and water for at least 15 minutes. If pentane is inhaled, move the person to fresh air immediately and seek medical attention if breathing difficulties occur. For eye contact, rinse thoroughly with clean water for 15 minutes. Never induce vomiting if swallowed due to aspiration toxicity risks.

Pentane disposal must comply with local environmental regulations as it is classified as hazardous waste. Never pour pentane down drains or onto soil. Collect waste pentane in appropriate containers and arrange disposal through licensed hazardous waste management companies. Small quantities can be recovered through distillation for reuse, while contaminated pentane requires professional treatment or incineration at approved facilities.

Pentane is classified as ADR Class 3 (flammable liquids), Packing Group II, requiring specialized transport procedures. It must be transported in UN-approved containers with proper hazard labels including GHS02, GHS07, GHS08, and GHS09 pictograms. Vehicles must be equipped with appropriate fire extinguishers and drivers require ADR certification. Transport documentation must include proper shipping names and emergency response information.

Pentane is regulated under various European legislations including REACH registration requirements and CLP classification as Flam. Liq. 2, Asp. Tox. 1, STOT SE 3, and Aquatic Chronic 2. It carries the signal word 'Danger' and requires safety data sheets for commercial use. While not currently listed as an SVHC substance, users must comply with occupational exposure limits and environmental discharge restrictions.

Pentane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides high-quality pentane with complete documentation including safety data sheets and certificates of analysis. As a professional chemical distributor, OYSI ensures regulatory compliance and reliable supply chains for industrial users requiring pentane for various applications.