Dihexadecyldimethylammonium bromide CAS NO (70755-47-4) At Cheap Price

1. Chemical Structure and Identity:

Dihexadecyldimethylammonium bromide, with the chemical formula C38H80BrN, is a quaternary ammonium compound. It is characterized by the presence of two long hydrocarbon chains (hexadecyl groups) attached to a central nitrogen atom, along with two methyl groups and a bromide ion.

2. Synthesis and Production:

Dihexadecyldimethylammonium bromide can be synthesized through the quaternization reaction between dimethyldodecylamine and bromoalkanes, followed by purification steps to isolate the desired product. Alternatively, it can be prepared by reacting dodecyltrimethylammonium bromide with 1-bromohexadecane.

3. Physical Properties:

• Appearance: Dihexadecyldimethylammonium bromide is commonly found as a white to off-white crystalline solid or powder.
• Melting Point: It has a melting point typically between 70°C to 75°C.
• Solubility: It is sparingly soluble in water but soluble in polar organic solvents such as ethanol, methanol, and acetone.

4. Applications and Uses:

Dihexadecyldimethylammonium bromide finds application in various fields, including pharmaceuticals, personal care products, and industrial processes. Some of its uses include:

• Antimicrobial Agent: It serves as a cationic surfactant with antimicrobial properties, making it useful in the formulation of disinfectants, sanitizers, and preservatives for use in healthcare settings, personal care products, and industrial processes.
• Phase Transfer Catalyst: Dihexadecyldimethylammonium bromide is utilized as a phase transfer catalyst in organic synthesis reactions to facilitate the transfer of reactants between immiscible phases, thereby increasing reaction rates and yields.
• Emulsifier and Surfactant: It functions as an emulsifying agent and surfactant in formulations such as creams, lotions, and hair care products, helping to stabilize emulsions and improve the spreadability and texture of the final product.

5. Antimicrobial Mechanism:

Dihexadecyldimethylammonium bromide exerts its antimicrobial activity by disrupting the cell membranes of microorganisms through electrostatic interactions. The positively charged quaternary ammonium groups interact with the negatively charged components of microbial cell membranes, leading to membrane destabilization, leakage of cellular contents, and ultimately cell death.

6. Safety and Handling:

While specific safety data may vary, dihexadecyldimethylammonium bromide should be handled with care due to its potential irritant and sensitizing properties. It is recommended to use appropriate personal protective equipment, such as gloves and safety goggles, when handling this compound. Additionally, proper ventilation should be ensured to minimize exposure to airborne particles.

7. Environmental Impact:

The environmental impact of dihexadecyldimethylammonium bromide may depend on factors such as its use, disposal, and potential for release into the environment. As with any chemical compound, it is important to handle and dispose of dihexadecyldimethylammonium bromide in accordance with relevant regulations to minimize adverse effects on the environment.

8. Regulatory Considerations:

Dihexadecyldimethylammonium bromide may be subject to regulations and guidelines governing its production, handling, transportation, and use, particularly in pharmaceuticals, personal care products, and industrial applications. Compliance with these regulations is essential to ensure safety, environmental protection, and regulatory compliance.

In summary, dihexadecyldimethylammonium bromide is a quaternary ammonium compound with diverse applications in antimicrobial agents, phase transfer catalysis, and emulsifiers. Its synthesis, physical properties, uses, antimicrobial mechanism, safety considerations, environmental impact, and regulatory aspects are important factors to consider in its production, handling, and utilization.