Overview
Hexadecylamine, commonly referred to as cetylamine, is a long-chain primary amine with significant industrial relevance. As a reagent-grade chemical, it is widely utilized in organic synthesis, corrosion inhibition, and surfactant formulations. Its amphiphilic nature allows it to function as an effective emulsifier and dispersant in various chemical processes. In B2B markets, hexadecylamine is typically supplied in crystalline or flake form, with purity levels ranging from technical grade (90-95%) to high-purity reagent grade (≥98%). Its compatibility with organic solvents and reactivity with acids make it a versatile intermediate in specialty chemical manufacturing.
Physical and Chemical Properties
Hexadecylamine exhibits typical properties of long-chain aliphatic amines. It is a white, waxy solid at room temperature with a faint amine odor. The compound is hydrophobic, showing negligible solubility in water but good solubility in alcohols, ethers, and chlorinated solvents. Chemically, it acts as a weak base, forming stable ammonium salts when protonated. The 16-carbon chain imparts surfactant characteristics, lowering surface tension at interfaces. Thermal stability is moderate, with decomposition occurring above 300°C. These properties directly influence its performance in applications like corrosion protection, where it forms protective films on metal surfaces.
Main Applications
In industrial settings, hexadecylamine serves three primary functions. First, as a corrosion inhibitor, it chemisorbs to metal surfaces, creating a hydrophobic barrier against moisture and oxygen. This application is prominent in oilfield chemicals and metal treatment formulations. Second, its surfactant properties make it valuable in emulsion polymerization and textile processing. Third, organic synthesis employs hexadecylamine as a building block for quaternary ammonium compounds and other specialty chemicals. Emerging uses include nanotechnology, where it assists in nanoparticle stabilization and surface modification processes.
Safety and Storage
As an amine compound, hexadecylamine requires careful handling. It can cause skin and eye irritation upon contact, necessitating gloves and goggles during use. Inhalation of dust or vapors should be avoided through proper ventilation or respiratory protection. Storage recommendations include keeping containers tightly sealed in cool (below 30°C), dry conditions, separated from strong oxidizers. Secondary containment is advised for bulk quantities. Spills should be contained with inert absorbents and cleaned promptly. Disposal must comply with local regulations for organic amines, typically involving licensed waste handlers.
B2B Procurement Guide
When sourcing hexadecylamine, buyers should specify: purity grade (reagent vs. technical), crystalline form (flakes/powder), and packaging preferences (drums/bags). Reagent-grade material typically commands a 20-30% price premium over technical grade. Reliable suppliers often provide certificates of analysis detailing assay purity, melting point range, and impurity profiles. For corrosion inhibitor formulations, technical grade may suffice, while synthetic applications typically require higher purity. Consider vendor audits for consistent quality, especially when used in GMP-regulated processes. Bulk purchases (500kg+) often qualify for tiered pricing discounts.
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