Tetradecyl dimethyl amine oxide (OA-14), also known as myristamine oxide, is an amphoteric surfactant with a C14 alkyl chain. Its applications are primarily in personal care and cleaning products, where it functions as a foam booster, viscosity modifier, and mild cleansing agent.
Personal Care Applications
OA-14 is widely used in personal care formulations for its mildness and ability to improve product texture and performance.
Hair Care: Used in shampoos and conditioners to improve hair manageability, reduce static, and add conditioning effects without leaving residue.
Skin Care & Bath Products: Found in body washes, hand soaps, bubble baths, and facial cleansers, where it provides gentle cleansing and stable, creamy foam.
Formulation Benefits: It acts as a viscosity builder, allowing for high-viscosity formulations, and helps reduce the irritation potential of other surfactants in the product.
Cleaning Product Applications
In household and industrial cleaning, OA-14 is valued for its stability and effectiveness in various formulations.
Hard Surface Cleaners: Used in kitchen, bathroom, and other hard surface cleaning products for its grease-cutting ability and foam stability.
Dishwashing Detergents: A key ingredient in hand dishwashing liquids, where it boosts foam and improves cleaning performance against grease.
Bleach & Acid Cleaners: It is stable in both acidic and alkaline formulations, including those containing sodium hypochlorite or hydrogen peroxide, making it suitable for a wide range of cleaning products.
Other Industrial Applications
Beyond personal care and cleaning, OA-14 has specialized industrial uses.
Textile Industry: Used as a softening agent and antistatic agent in textile processing.
Oilfield Chemicals: Applied as a component in oil displacement agents and drilling fluid additives.
Antimicrobial Formulations: Exhibits antimicrobial properties, making it useful in disinfectants and sanitizers.
Key Functional Properties
Property Description
Surfactant Type Amphoteric; cationic in acidic conditions, nonionic in alkaline conditions
Primary Functions Foam booster, foam stabilizer, viscosity modifier, emulsifier, wetting agent
Stability Stable in acidic and alkaline systems; resistant to oxidation by bleach
Mildness Low irritation potential; reduces the irritation of anionic surfactants
Biodegradability Readily biodegradable