N-Propylethanolamine
What is N-Propylethanolamine?
N-Propylethanolamine (CAS 16369-21-4), also referred to commercially as PMEA or mono-n-propyl monoethanolamine, is a bifunctional amino alcohol combining amine and hydroxyl reactivity in a single molecule.
Where is N-Propylethanolamine used?
- Industrial and personal care formulations: pH buffer, corrosion inhibitor and emulsifier
- Metalworking fluids and lubricant concentrates: corrosion protection for ferrous and non-ferrous metals
- It stabilizes oil-in-water emulsions at working concentrations.
- Coatings and resin systems: neutralizing agent for acid-functional resins, improving dispersion stability and film formation in waterborne systems
- Adhesives and sealants: reactive intermediate or curing modifier where controlled amine functionality is required
- Personal care: pH adjuster in emulsion-based products
Good to know: This moderate, less volatile amine is often preferred over triethanolamine in specific formulations. Buyers sourcing for personal care applications should confirm purity specifications and ensure all supplier documentation meets cosmetic ingredient standards before use.
Commercial specifications
- Drum and IBC quantities suited to industrial procurement volumes
Other Names (Synonyms)
Ethanol, 2-(propylamino)-|2-(propylamino)ethanol|mono-n-propyl monoethanolamine (pmea)