Overview
1-Pentanol, commonly referred to as n-pentanol or amyl alcohol, is a straight-chain fatty alcohol with five carbon atoms. It is one of several isomers of pentanol and is widely utilized in industrial and laboratory settings due to its solvent properties. The compound is derived from petroleum or produced via fermentation processes. As a primary alcohol, 1-pentanol exhibits typical alcohol reactivity, including the ability to form esters and participate in oxidation reactions. Its relatively high boiling point and moderate evaporation rate make it suitable for applications requiring controlled solvent release.
Physical and Chemical Properties
1-Pentanol is a colorless, clear liquid with a mild, characteristic alcohol odor. It has a density of 0.814 g/cm³ at 20°C and a boiling point of 138°C, which is higher than many other common solvents like ethanol or acetone. The compound is slightly soluble in water but mixes well with most organic solvents, including ethers, ketones, and hydrocarbons. Chemically, 1-pentanol is stable under normal conditions but can react with strong oxidizing agents, acids, and bases. Its flammability (flash point around 49°C) requires careful handling and storage to prevent fire hazards. The vapor is heavier than air and can form explosive mixtures in confined spaces.
Main Applications
1-Pentanol serves as a versatile solvent in industries such as coatings, inks, and adhesives, where it helps dissolve resins and other components. Its moderate evaporation rate makes it particularly useful in formulations requiring balanced drying times. In the pharmaceutical sector, 1-pentanol is employed as an intermediate in the synthesis of active pharmaceutical ingredients (APIs) and as a solvent for drug formulations. Additionally, it finds use in the fragrance industry, contributing to the production of esters that impart fruity or floral notes to perfumes and flavorings.
Safety and Storage
Due to its flammability, 1-pentanol must be stored in tightly sealed containers away from heat sources, sparks, and open flames. Storage areas should be well-ventilated and equipped with fire suppression systems. Containers should be grounded to prevent static discharge during transfer operations. Personal protective equipment (PPE), including gloves, goggles, and respirators, is recommended when handling 1-pentanol to avoid skin contact, eye irritation, or inhalation of vapors. Spills should be contained and cleaned up immediately using inert absorbent materials, and contaminated areas should be ventilated thoroughly.
B2B Procurement Guide
When procuring 1-pentanol, buyers should prioritize suppliers who provide comprehensive documentation, including safety data sheets (SDS) and certificates of analysis (CoA) verifying purity and composition. Bulk purchases (e.g., drums or tankers) typically offer cost savings but require appropriate storage facilities. Quality specifications such as purity (typically 98-99%), water content, and impurity profiles should be confirmed based on intended use. For international shipments, ensure compliance with transportation regulations for flammable liquids. Establishing long-term supplier relationships can secure consistent quality and favorable pricing.
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