Di(hydroxyethyl)oleylamine
Overview
Di(hydroxyethyl)oleylamine is a tertiary amine derivative synthesized by reacting oleylamine with ethylene oxide. It serves as a versatile non-ionic surfactant due to its amphiphilic structure, combining oleyl (lipophilic) and hydroxyethyl (hydrophilic) groups. The compound is widely utilized in industrial and cosmetic formulations for its emulsifying and stabilizing properties. Its molecular structure allows it to interact with both water and oil phases, making it suitable for applications requiring phase compatibilization. The CAS registry (10213-78-2) ensures precise identification in global trade and regulatory compliance.
Physical and Chemical Properties
As a viscous liquid, Di(hydroxyethyl)oleylamine exhibits moderate solubility in polar solvents like ethanol and limited solubility in water. Its density (~0.94 g/cm³) reflects its organic nature, while the absence of a defined melting point suggests stability under typical storage conditions. Key chemical properties include its ability to form micelles in solution, reducing surface tension. The compound’s non-ionic character prevents dissociation in water, ensuring compatibility with other formulation ingredients. Its stability under mild acidic and alkaline conditions further broadens its applicability.
Main Applications
The compound’s primary use lies in surfactant systems, particularly in textile processing, where it aids in dye leveling and fiber lubrication. It also functions as an emulsifier in metalworking fluids and agricultural adjuvants. In personal care, it enhances the texture of creams and lotions by improving oil-in-water emulsion stability. Industrial lubricants leverage its corrosion-inhibiting properties, while its mildness makes it suitable for non-irritating cosmetic formulations.
Safety and Storage
Di(hydroxyethyl)oleylamine is generally low-hazard but requires standard chemical handling precautions. Use gloves and eye protection to prevent irritation from prolonged exposure. Storage in sealed containers under inert conditions prevents oxidation. Despite its low volatility, ensure adequate ventilation in workplaces. Regulatory guidelines (e.g., REACH) do not classify it as hazardous, but material safety data sheets (MSDS) from suppliers should always be consulted for specific handling protocols.
B2B Procurement Guide
When sourcing Di(hydroxyethyl)oleylamine, prioritize suppliers providing certified purity analyses (typically 95–98%). Bulk procurement often offers cost advantages, but verify batch consistency for industrial applications. Key considerations include packaging (drums or IBCs for large volumes), lead times, and compliance with regional regulations (e.g., TSCA in the U.S.). Sample testing is recommended to confirm compatibility with end-use formulations.
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