Overview
Distearyl amine is a long-chain fatty amine derived from stearic acid, primarily used in industrial applications due to its surfactant properties. It is valued for its ability to form stable emulsions and act as a corrosion inhibitor. In B2B markets, it is commonly supplied as a waxy solid with purity levels ranging from 90% to 99%, depending on the intended application. Its hydrophobic nature makes it suitable for formulations requiring water resistance.
Physical and Chemical Properties
Distearyl amine exhibits low solubility in water but dissolves readily in non-polar organic solvents. Its melting point ranges between 50-60°C, making it stable under moderate temperatures. The compound's long alkyl chains contribute to its emulsifying and lubricating properties, which are critical in coatings and textile processing. Its molecular weight of 521.98 g/mol reflects its large, non-polar structure.
Main Applications
In industrial settings, distearyl amine serves as an emulsifier in bitumen and wax emulsions. It is also used as a corrosion inhibitor in metalworking fluids and as an antistatic agent in plastics. The textile industry employs it to improve fiber processing, while the coatings sector utilizes its hydrophobic properties to enhance water resistance. Its versatility makes it a staple in specialty chemical formulations.
Safety and Storage
Distearyl amine requires careful handling due to potential skin and eye irritation. Storage should be in sealed containers away from oxidizing agents to prevent degradation. Workers should use gloves and goggles when handling the compound, and ensure adequate ventilation to avoid inhalation of dust or vapors during processing.
B2B Procurement Guide
When sourcing distearyl amine, verify the CAS number (124-30-1) and request a Certificate of Analysis (CoA) to confirm purity. Bulk purchases (e.g., 1-ton pallets) often qualify for discounts. Consider suppliers with ISO certifications and inquire about lead times, especially for customized formulations. Price fluctuations may occur due to raw material (stearic acid) market trends.
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