For chemists, formulators, and procurement managers in the chemical industry, a deep understanding of ingredient science is crucial. Myristyl Dimethyl Amine Oxide (CAS 3332-27-2) is a fascinating molecule with a unique set of properties that underpin its widespread use. As a specialist chemical supplier, we aim to provide insights into the science behind this versatile amphoteric surfactant, helping you make informed decisions when purchasing or formulating with it.

Molecular Structure and Amphoteric Nature

Myristyl Dimethyl Amine Oxide possesses a distinct molecular structure: a hydrophobic tetradecyl (C14) alkyl chain attached to a hydrophilic dimethylamine oxide head group. The key feature of this head group is its zwitterionic or amphoteric nature. At lower pH values, the oxygen atom can be protonated, giving the molecule a positive charge (cationic). As the pH increases, the charge becomes neutral or even slightly negative depending on other factors, often exhibiting non-ionic characteristics. This pH-dependent behavior allows Myristyl Dimethyl Amine Oxide to be compatible with a broad spectrum of other surfactants and ingredients, a critical aspect for formulators seeking to buy adaptable raw materials.

Mechanism of Surfactant Action

As a surfactant, Myristyl Dimethyl Amine Oxide functions by lowering the surface tension of liquids, particularly water. Its hydrophobic tail tends to orient away from water, clustering at interfaces (like air-water or oil-water), while the hydrophilic head remains in the aqueous phase. This arrangement facilitates several key actions: wetting (allowing liquids to spread more easily), emulsification (stabilizing mixtures of immiscible liquids like oil and water), detergency (lifting and suspending dirt), and foaming (trapping air in liquid). The efficiency of these actions is influenced by its critical micelle concentration (CMC), the point at which surfactant molecules begin to form micelles in solution. Understanding these mechanisms helps procurement professionals identify reliable suppliers by looking at detailed product specifications.

Antimicrobial Activity Explained

The antimicrobial properties of amine oxides like Myristyl Dimethyl Amine Oxide are believed to stem from their interaction with microbial cell membranes. The hydrophobic tail can intercalate into the lipid bilayer of the membrane, disrupting its integrity and causing leakage of essential cellular contents. The polar head group also plays a role in interacting with the cell surface. This mechanism provides broad-spectrum activity against bacteria, yeast, and molds. For manufacturers of sanitizers, disinfectants, or personal care products requiring enhanced microbial control, sourcing this compound is a strategic choice.

Formulation Considerations and Quality Control

When purchasing Myristyl Dimethyl Amine Oxide, paying attention to its physical form (typically a white solid with a melting point around 130°C) and purity (often specified as ≥99%) is essential. Suppliers should provide comprehensive Safety Data Sheets (SDS) and Certificates of Analysis (CoA). Its solubility in water and compatibility with other formulation components, such as electrolytes and builders, are also important factors. The environmental profile, particularly its ready biodegradability, adds another layer of consideration for modern product development.

Procurement from a Trusted Manufacturer

We pride ourselves on being a reliable source for high-quality Myristyl Dimethyl Amine Oxide. Our stringent quality control processes ensure that the product you buy meets the specified purity and performance standards. We offer competitive pricing for bulk orders and provide the necessary technical documentation to support your formulation efforts. Contact our sales team to discuss how our Myristyl Dimethyl Amine Oxide can benefit your products and to secure a consistent supply chain.